Success depends upon previous preparation, and without such preparation there is sure to be failure.

The hardest thing of all is to find a black cat in a dark room, especially if there is no cat.

The superior man is distressed by the limitations of his ability he is not distressed by the fact that men do not recognize the ability that he has.

It is not the failure of others to appreciate your abilities that should trouble you, but rather your failure to appreciate theirs.

It is more shameful to distrust our friends than to be deceived by them.

We should keep the dead before our eyes, and honor them as though still living.