Wisdom delights in water; love delights in hills. Wisdom is stirring; love is quiet. Wisdom is merry; love grows old.

Let mourning stop when one's grief is fully expressed.

The master said, 'Quietly to store up knowledge in my mind, to learn without flagging, to teach without growing weary, these present me with no difficulties.'

It is easy to hate and it is difficult to love. This is how the whole scheme of things works. All good things are difficult to achieve; and bad things are very easy to get.

Don't curse the darkness, light a candle.

He who exercises government by means of his virtue may be compared to the north polar star, which keeps its place and all the stars turn towards it.

Never contract friendship with a man that is not better than thyself.