As 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 MontaigneWho is only good that others may know it, and that he may be the better esteemed when 'tis known, who will do well but upon condition that his virtue may be known to men, is one from whom much service is not to be expected.
Michel de MontaigneThe great and glorious masterpiece of humanity is to know how to live with a purpose.
Michel de MontaigneIt is fear that I stand most in fear of, in sharpness it exceeds every other feeling.
Michel de Montaigne