What a strange thing that which men call pleasure seems to be, and how astonishing the relation it has with what is thought to be its opposite, namely pain! A man cannot have both at the same time. Yet if he pursues and catches the one, he is almost always bound to catch the other also, like two creatures with one head.

Some suggestions for you :

Ideas are the source of all things.

Be kind for everyone you meet is fighting a hard battle.

In practice people who study philosophy too long become very odd birds, not to say thoroughly vicious; while even those who are the best of them are reduced by...[philosophy] to complete uselessness as members of society.

He could not harm me, for I do not think it is permitted that a better man be harmed by a worse.

There are two things a person should never be angry at: what they can help, and what they cannot.

It is impossible to improve the world if first the man does not improve.

And if so, my friend, I said, there is no special faculty of administration in a state which a woman has because she is a woman, or which a man has by virtue of his sex, but the gifts of nature are alike diffused in both; all the pursuits of men are the pursuits of women also, but in all of them a woman is inferior to a man. Very true.

Those who are too smart to engage in politics are punished by being governed by those who are dumber.

Is there a perfect world?

Habit is not unimportant.

Well, you know what happens to lovers: whenever they see a lyre, a garment or anything else that their beloved is accustomed to use, they know the lyre, and the image of the boy to whom it belongs comes into their mind.

Good actions give strength to ourselves and inspire good actions in others.

For the plan grows under the author's hand; new thoughts occur to him in the act of writing; he has not worked out the argument to the end before he begins.

A dog has the soul of a philosopher.