Character is like a tree and reputation like a shadow. The shadow is what we think of it; the tree is the real thing.

Pure mathematics is, in its way, the poetry of logical ideas.

Heaven, in the production of things, is sure to be bountiful to them, according to their qualities. Hence the tree that is flourishing, it nourishes, while that which is ready to fall, it overthrows.

Do not waste yourself in rejection, nor bark against the bad, but chant the beauty of the good.

If someone is nice to you but rude to the waiter, they are not a nice person.

I am of the opinion that my life belongs to the community, and as long as I live it is my privilege to do for it whatever I can

Don't be a slave to your senses. Control them.