When you see a good person, think of becoming like her/him. When you see someone not so good, reflect on your own weak points.

I followed my heart without breaking any rules.

By nature, men are nearly alike; by practice, they get to be wide apart.

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.

I do not enlighten those who are not eager to learn, nor arouse those who are not anxious to give an explanation themselves. If I have presented one corner of the square and they cannot come back to me with the other three, I should not go over the points again.

A wise man seeks by music to strengthen his soul: the thoughtless one uses it to stifle his fears.

Be not ashamed of mistakes and thus make them crimes.