盛喜中勿许人物，盛怒中勿答人书。
译文：高兴欣喜之时不要轻易向其他人许诺，生气愤怒之时不要和其他人争执说话。赏析：人在情绪波动之时，做出的任何抉择往往都是错误的。人只有在心平气和之下，才能非常理性地做出选择。
The mind is not a mirror of the world, but an instrument for dealing with it.
My blindness has never been a limitation; it has taught me to see the world in a different way.
Don't let the noise of others' opinions drown out your own inner voice.
The desire for recognition, the thymotic part of the soul, is the most political part of the human personality because it is what drives people to want to be recognized as superior to others.