Let us now join Dante in his mystic journey to the Heavenly Kingdom. We left him after three days and three nights in Purgatory, standing with Beatrice on the summit of the mountain in the Earthly Paradise, where he remained six hours. At noon he begins his ascent through space, a feat accomplished by Beatrice's looking up to the Heavens and by Dante's fixing his eyes upon her. At once his human nature is supposed to take on agility, the supernatural quality which makes the body independent of space, and he begins to rise with incomprehensible velocity. Though they are travelling without conscious movement at the rate of 84,000 miles a second, there is time for Dante's mind to operate in desire to know how he can ascend counter to gravitation and for Beatrice to discourse upon the law—Dante's invention—of universal (material and spiritual) gravitation.

"The newness of the sound and the great light
Kindled in me a longing for their cause
Never before with such acuteness felt.
And she began: 'Thou makest thyself so dull
With false imagining, that thou sees not
What thou wouldst see if thou hadst shaken it off.
Thou are not upon earth as thou believest;
But lightning, fleeing its appropriate site,
Ne'er ran as thou, who thitherward returnest.'"
(I, 88.)

She explains the order established by Providence by force of which created beings seek their natural habitat, earthly things being attracted downward, spiritual entities being drawn upward irresistibly if they do not oppose this innate inclination to good. "It is as natural for a man purged of all evil to ascend to God," she declares, "as it is for a stream from a mountain height to fall into a valley."

Very shortly after this, the first stage of the celestial journey is reached. "Direct thy mind to God in gratitude," she said, "who hath united us with the first star." "Me seemed a cloud enveloped us, shining dense, firm and polished like a diamond smitten by the sun. Within itself the eternal pearl received us, as water doth receive a ray of light, though still itself uncleft." This is the Heaven of the Moon, the planet farthest removed from the Empyrean and therefore the sphere where not only motion but also beatitude are least in the heavenly bodies. The sphere of the Moon, indeed with those of Mercury and of Venus, is held by Dante's cosmography to be within the shadow cast by the earth. Consequently, the spirits in those three lowest Heavens are represented as less perfect than those in the higher spheres, because in the moral sense the shadow of earth fell upon their lives making them imperfect through inconstancy, vain glory or unlawful love.

In the Heaven of the Moon a long disquisition is carried on by Beatrice in explanation of Dante's question as to why there are spots on the moon. It is very likely that this matter of apparent irrelevance in the heavenly realms is introduced here at the very first stage of the ascent to give the poet the opportunity of proclaiming that the first thing one must learn in his passage heavenward—even if this is to be understood in an allegorical sense—is that the laws of the laboratory are not the rationale of the heavenly world and that to employ them to explain the supernal is to violate the very science of these laws, in an application of scope to which in their very nature they protest. This point of seeing natural causes for the unexplainable phenomenon of Heaven and especially of relying upon the testimony of the senses is soon brought out by Beatrice reproving Dante for thinking that the spirits whom he now sees are only reflections of the human face:

"Marvel thou not," she said to me, "because
I smile at this thy puerile conceit,
Since on the truth it trusts not yet its foot,
But turns thee, as 'tis wont, on emptiness.
True substances are these which thou beholdest,
Here relegate for breaking of some vow.
Therefore speak with them, listen and believe."
(III, 25.)

So directed, the poet gazes again upon the faint forms appearing like reflections seen in a plate of glass or in a dark, shallow pool. These, the first spirits he meets, are apparitions in human form. In the other spheres all that he will see of the souls will be the light which envelopes them and which seemingly is identified with them, but here he sees beautiful women divinely glorious even in their dim outline, who as nuns had violated their vow of perpetual chastity. In the Inferno the poet, to lead the reprobate soul to speak to him, promised earthly fame; in Purgatorio there was the offer of intercessory prayer, here in the first Heaven there is only an appeal to the charity which inflames the spirit. All eagerness, Dante now addresses the spirit, who appears most desirous to converse with him. This is Piccarda, kinswoman of his wife and sister of his friend Forese (Purg. XXIII, 40), a Poor Clare nun, who was compelled by her brother, Corse, to leave her convent and marry Rossellino della Tosa in the expectation that the marriage would promote a political alliance. So sacrificed, the young virgin sister of lofty ideals and delicate spiritual sensibility, experienced unhappiness, the intensity of which is revealed by the ellipsis contained in the magic line: "And God doth know what my life became." Dante addresses Piccarda:

"'O well-created spirit, who in the rays
Of life eternal dost the sweetness taste
Which being untasted ne'er is comprehended,
Grateful 'twill be to me, if thou content me
Both with thy name and with your destiny.'
Whereat, she promptly and with laughing eyes:
'Our charity doth never shut the doors
Against a just desire, except as she
Who wills that all her court be like herself.
I was a virgin sister in the world;
And if thy mind doth contemplate me well,
The being more fair will not conceal me from thee,
But thou shalt recognize I am Piccarda,
Who, stationed here among these other blessed,
Myself am blessed in the lowest sphere.
All our affections, that alone inflamed
Are in the pleasure of the Holy Ghost,
Rejoice at being of his order formed;
And this allotment, which appears so low,
Therefore is given us, because our vows
Have been neglected and in some part void.'
Whence I to her: 'In your miraculous aspects
There shines I know not what of the divine,
Which doth transform you from our first conceptions.
Therefore I was not swift in my remembrance;
But what thou tellest me now aids me so,
That the refiguring is easier to me.'"
(III, 37.)

Dante, you recall, had found the souls in Purgatory contented with their lot, though they were enduring great suffering; in Heaven he is eager to learn in the very beginning whether the Elect are satisfied with the decree which awards to them happiness in unequal measure. So he asks Piccarda whether she and the other spirits in this lowest sphere are not eager for a higher place. The answer is one of the most touching and beautiful passages in the poem, summing up in language of radiant gladness the law of Heaven that in "God's will is our peace," words which Gladstone says "appear to have an unexpressible majesty of truth about them, to be almost as if they were spoken from the very mouth of God."

"'But tell me, ye who in this place are happy,
Are you desirous of a higher place,
To see more or to make yourselves more friends?'
First, with those other shades, she smiled a little;
Thereafter answered me so full of gladness,
She seemed to burn in the first fire of love:
'Brother, our will is quieted by virtue
Of charity, that makes us wish alone
For what we have, nor gives us thirst for more.
If to be more exalted we aspired,
Discordant would our aspirations be
Unto the will of Him who here secludes us;
Which thou-shalt see finds no place in these circles,
If being in charity is needful here,
And if thou lookest well into its nature;
Nay 'tis essential to this blest existence
To keep itself within the will divine,
Whereby our very wishes are made one;
So that, as we are station above station
Throughout this realm, to all the realm 'tis pleasing,
As to the King, who makes His will our will.
And His will is our peace; this is the sea
To which is moving onward whatsoever
It doth create, and all that nature makes.'
Then it was clear to me how everywhere
In Heaven is Paradise, although the grace
Of good supreme there rain not in one measure."
(III, 64.)