2. The bounden duty of human beings lies in the courage to explore the truth. Copernicus

People often think that the preparation stage is a waste of time. Only when the real opportunity comes and they can't grasp it can they realize that they are usually wasting their time without preparation. -romain rolland

4. Time is life, and wasting time is sacrificing life. -Li Dazhao

Time is like a spring, which can be shortened or lengthened. -Cambodian proverb

6. Thought is the slave of life, and life is the trick of time. -Shakespeare

7. Humility and obedience make them more suitable to be taught; So you don't have to pay too much attention to developing self-confidence in advance. The most important thing to spend time, energy and effort is to make them acquire moral principles, practice and good education. This is what they should prepare in advance so as not to lose it easily in the future. -Locke

8. Money and time are the two heaviest burdens in life. The unhappiest people are those who have too many of these two things and don't know how to use them. John