发明的艺术在于找出已知现象的原因。
The art of invention consists in finding out the causes of known effects.
The best way to cheer yourself up is to try to cheer somebody else up.
The less secure a man is, the more likely he is to have extreme prejudice.
To sequence DNA is to read the book of life.
要成功,仅靠计划是不够的。还必须即兴发挥。