Nullum magnum ingenium sine mixtura dementiæ (There is no great genius without a tincture of madness).—Seneca: De Tranquillitate Animi, 15.

What thin partitions sense from thought divide!—Pope: Essay on Man, epistle i. line 226.

[267:4]

Greatnesse on Goodnesse loves to slide, not stand,

And leaves, for Fortune's ice, Vertue's ferme land.

Knolles: History (under a portrait of Mustapha I.)

[268:1] Your old men shall dream dreams, your young men shall see visions.—Joel ii. 28.

[268:2]

Like our shadows,

Our wishes lengthen as our sun declines.