Knowledge ... shall always bear witness like a clarion to its creator.
You grow in reputation like bread in the hands of a child.
People reveal themselves completely only when they are thrown out of the customary conditions of their life.
The poet ranks far below the painter in the representation of visible things, and far below the musician in that of invisible things.
Therefore, O students, study mathematics and do not build without foundations.
Marriage is like putting your hand into a bag of snakes in the hope of pulling out an eel.