Excessive (population) growth may reduce output per worker, repress levels of living for the masses and engender strife

Wisdom, compassion, and courage are the three universally recognized moral qualities of men.

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

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

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.

We are so busy doing the urgent that we don't have time to do the important.

A good man regards the root; he fixes the root, and ail else flows out of it. The root is filial piety; the fruit brotherly love.