Reason is immortal, all else mortal – Pythagoras

Concern should drive us into action and not into a depression. No man is free who cannot control himself – Pythagoras

Rest satisfied with doing well, and leave others to talk of you as they will – Pythagoras

No one is free who has not obtained the empire of himself – Pythagoras

Do not talk a little on many subjects, but much on a few – Pythagoras

There is geometry in the humming of the strings, there is music in the spacing of the spheres – Pythagoras