If knowledge and foresight are too penetrating and deep, unify them with ease and sincerity.
The nature of man is evil; what is good in him is artificial.
A person is born with feelings of envy and hate. If he gives way to them, they will lead him to violence and crime, and any sense of loyalty and good faith will be abandoned.
If there is no dull and determined effort, there will be no brilliant achievement.
Human nature refers to what is in people but which they cannot study or work at achieving.
You look upon the seasons with expectation and await them: wy not seize the seasonal opportunities and exploit them?