One who will study for three years. Without thought of reward. Would be hard indeed to find.
He who cannot describe the problem will never find the solution to that problem.
By three methods we may learn wisdom: First, by reflection, which is noblest; Second, by imitation, which is easiest; and third by experience, which is the bitterest.
Gravity is only the bark of wisdom's tree, but it preserves it.
The only people who cannot change are the most wise and the most stupid.
The Master said, “A true gentleman is one who has set his heart upon the Way. A fellow who is ashamed merely of shabby clothing or modest meals is not even worth conversing with.” (Analects 4.9)