Art thou angry with him whose armpits stink? Art thou angry with him whose mouth smells foul?

If it is not right do not do it; if it is not true do not say it.

Ambition means tying your well-being to what other people say or do. Self-indulgence means tying it to the things that happen to you. Sanity means tying it to your own actions.

Nothing proceeds from nothingness, as also nothing passes away into non-existence.

How barbarous, to deny men the privilege of pursuing what they imagine to be their proper concerns and interests! Yet, in a sense, this is just what you are doing when you allow your indignation to rise at their wrongdoing; for after all, they are only following their own apparent concerns and interests. You say they are mistaken? Why then, tell them so, and explain it to them, instead of being indignant.

If any man should conceive certain things as being really good, such as prudence, temperance, justice, fortitude, he would not after having first conceived these endure to listen to anything which should not be in harmony with what is really good.

To no man make yourself a boon companion: Your joy will be less but less will be your grief