An egoist can be won over by being respected, a crazy person can be won over by allowing him to behave in an insane manner and a wise person can be won over by truth.
The wise man should restrain his senses like the crane and accomplish his purpose with due knowledge of his place, time and ability.
He shall despise none, but hear the opinions of all. A wise man shall make use of even a child's sensible utterance.
A wise man should not divulge the formula of a medicine which he has well prepared; an act of charity which he has performed; domestic conflicts; private affairs with his wife; poorly prepared food he may have been offered; or slang he may have heard.
Learning without thought is labor lost; thought without learning is perilous.
The way which the superior man pursues, reaches wide and far, and yet is secret. Common men and women, however ignorant, may intermeddle with the knowledge of it; yet in its utmost reaches, there is that which even the sage does not know.