"From the philosopher Catulus, never to be dismissive of a friend's accusation, even if it seems unreasonable, but to make every effort to restore the relationship to its normal condition."
"If someone can prove me wrong and show me my mistake in any thought or action, I shall gladly change. I seek the truth, which never harmed anyone: the harm is to persist in one's own self-deception and ignorance."
"The soul becomes dyed with the colour of its thoughts."
"The first rule is to keep an untroubled spirit. The second is to look things in the face and know them for what they are."
"Look back over the past, with its changing empires that rose and fell, and you can foresee the future too."
"striid andWthdraw into yourself. Our master-reason asks no more than to act justly, and thereby to achieve calm."