Forget injuries, never forget kindnesses.

Study the past if you would define the future. I am not one who was born in the possession of knowledge; I am one who is fond of antiquity, and earnest in seeking it there. Learning without thought is labor lost; thought without learning is perilous.

In antiquity men studied for their own sake; nowadays men study for the sake of impressing others.

The gentleman has nine cares. In seeing he is careful to see clearly; in hearing he is careful to hear distinctly; in his looks he is careful to be kind, in his manner to be respectful, in his words to be sincere, in his work to be diligent. When in doubt he is careful to ask for information; when angry he has a care for the consequences; and when he sees a chance for gain, he thinks carefully whether the pursuits of it would be right.

To know everything is to know nothing, but to know nothing is to know everything.

These are the four abuses: desire to succeed in order to make oneself famous; taking credit for the labors of others; refusal to correct one's errors despite advice; refusal to change one's ideas despite warnings.

In dealing with the dead, if we treat them as if they were entirely dead, that would show a want of affection and should not be done; or, if we treat them as if they were entirely alive, that would show a want of wisdom and should not be done.