Courtesy is a science of the highest importance. It is...opening a door that we may derive instruction from the example of others, and at the same time enabling us to benefit them by our example, if there be anything in our character worthy of imitation.
Michel de MontaigneAs for our pupils talk, let his virtue and his sense of right and wrong shine through it and have no guide but reason. Make him understand that confessing an error which he discovers in his own argument even when he alone has noticed it is an act of justice and integrity, which are the main qualities he pursues; stubbornness and rancour are vulgar qualities, visible in common souls whereas to think again, to change one's mind and to give up a bad case on the heat of the argument are rare qualities showing strength and wisdom.
Michel de MontaigneSpeech belongs half to the speaker, half to the listener. The latter must prepare to receive it according to the motion it takes.
Michel de MontaigneThe relish of good and evil depends in a great measure upon the opinion we have of them.
Michel de Montaigne