We can know a person by observing his behaviour, understanding the reasons for his actions and ascertaining his intentions. If we do this, how can we not know him?

Those whose courses are different cannot lay plans for one another.

To study and constantly, is this not a pleasure? To have friends come from far away places, is this not a joy? If people do not recognize your worth, but this does not worry you, are you not a true gentleman?

There are cases in which the blade springs, but the plant does not go on to flower. There are cases where it flowers, but no fruit is subsequently produced.

The wise find pleasure in water; the virtuous find pleasure in hills. The wise are active; the virtuous are tranquil. The wise are joyful; the virtuous are long-lived.

The strongest memory is not as strong as the weakest ink.

An inconvenience is an unrecognized opportunity.