我们称可见光为什么？我们称之为颜色。但颜色只是我们给光碰到某物时的行为方式起的名字。
Idleness is the beginning of all vice, the crown of all virtues.
Success is not final, failure is not fatal: It is the courage to continue that counts.
If someone tells you he is going to make a “realistic decision”, you immediately understand that he has resolved to do something bad.