Hegel: The Absolute, transcending the individual limitations and purposes, and catching, underneath the universal strife, the hidden harmony of all things. Reason is the substance of the universe.
Leibniz: Although the whole of this life were said to be nothing but a dream, and the visible world nothing but a phantasm, I should call this dream or phantasm real enough, if, using reason well, we were never deceived by it.
For a time Buckmaster left the philosophers and read poetry. He found germs of what he sought in some of them, as Goethe's, The force which draws the lover, and the force which draws the planets are one.
He found it beautifully in a stanza of Wordsworth's.
Something
Whose dwelling is the light of the setting suns,
And the round ocean, and the living air,
And the blue sky, and the mind of man;—
A motion and a spirit, all objects of all thought,