Pythagoras — "Do not look in a mirror by lamplight."

"Lust weakens both body and mind."

"The souls of animals called unreasoning are reasonable, not however with active reasoning powers, because of an imperfect mixture of the bodies and because they do not have the power of speech, as in …"

"Above the cloud with its shadow is the star with its light. Above all things reverence thyself."

"If you have a wounded heart, touch it as little as you would an injured eye. There are only two remedies for the suffering of the soul: hope and patience."

"Do not give sleep to your eyes nor slumber to your eyelids until you have balanced the account of your soul with what is right."