"When you are offended at any man's fault, turn to yourself and study your own failings."

"When you are going to meet with any person, and particularly one of those who are considered to be great, represent to yourself what Socrates or Zeno would have done in such a case, and you will not b…"

"Make the best use of what is in your power, and take the rest as it happens."

"Circumstances don't make the man, they only reveal him to himself."

"For there is some use even in an ass, but not so much as in an ox: there is also use in a dog, but not so much as in a slave: there is also some use in a slave, but not so much as in citizens: there i…"