1, life is empty and dull only in the eyes of plain people. Chernyshevski
2. The value of a person should be judged by what he has contributed, not by what he has achieved. -Einstein
The value of life is not measured by time, but by depth. Leo Tolstoy
4. Whoever wants a dance academy will accomplish nothing, and whoever cannot dominate himself will always be a slave. -Goethe
5, everyone is good, then the world is peaceful; Everyone is selfish, and the world is in chaos. -Liu E
6. Fatalism is an excuse for the weak who lack willpower. -romain rolland
7. The ideal person should not only meet material needs, but also meet spiritual interests. -Hegel
8. Don't promise others what you can't do. Once you have promised others, you must keep your promise. Washington
9. Money is like human excrement and urine. Spilled, good for crops; If you pile it in one place, it will stink. -Clint Ma Xisen Jr.
10, comedies in the world can be filmed without money, and most tragedies in the world cannot be separated from money. -= Mao
1 1, property is the root of all evil; The distribution and protection of property occupies the whole world-lev tolstoy.
12. He who can spend money and make money is the happiest person, because he enjoys two kinds of happiness.
Section 1? Old quantum theory
One or two dark clouds
Our story begins with the birth of modern physics.