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?

Inequality is the cause of all local movements.

Where the spirit does not work with the hand, there is no art.

The greater the man's soul, the deeper he loves.

Whoever in debate quotes authority uses not intellect, but memory.

I roamed the countryside searching for answers to things I did not understand.

He who walks straight rarely falls.