True and great love springs out of great knowledge, and where you know little you can love but little or not at all.

The eye which turns from a white object in the light of the sun and goes into a less fully lighted place will see everything as dark.

The light and heat of the universe comes from the sun, and its cold and darkness from the withdrawal of the sun.

The worst evil which can befall the artist is that his work should appear good in his own eyes.

The knowledge of all things is possible

Motion is created by the destruction of balance.

O sleepers! what a thing is slumber! Sleep resembles death. Ah, why then dost thou not work in such wise as that after death thou mayst retain a resemblance to perfect life, when, during life, thou art in sleep so like to the hapless dead?