To study and not think is a waste. To think and not study is dangerous.

A ruthless man extends his ruthlessness from those he does not love to those he loves.

If the people be led by laws, and uniformity sought to be given them by punishments, they will try to avoid the punishment, but have no sense of shame.

When you see a good man, try to emulate his example, and when you see a bad man, search yourself for his faults.

Do not worry if others do not understand you. Instead worry if you do not understand others.

Sincerity is the end and beginning of things; without sincerity there would be nothing.

The faults of a superior person are like the sun and moon. They have their faults, and everyone sees them; they change and everyone looks up to them.