“For outward show is a wonderful perverter of the reason.”

“Look to nothing, not even for a moment except to reason.”

“striid andWthdraw into yourself. Our master-reason asks no more than to act justly, and thereby to achieve calm.”

“Never let the future disturb you. You will meet it, if you have to, with the same weapons of reason which today arm you against the present.”

“If someone is able to show me that what I think or do is not right, I will happily change, for I seek the truth, by which no one was ever truly harmed. It is the person who continues in his self-deception and ignorance who is harmed.”

“I have often wondered how it is that every man loves himself more than all the rest of men, but yet sets less value on his own opinion of himself than on the opinion of others.”

“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.”