The more we realize our minuteness and our impotence in the face of cosmic forces, the more astonishing becomes what human beings have achieved.
I cannot tell why this heart languishes in silence. It is for small needs it never asks, or knows, or remembers.
化学是一门具有创造自己研究对象的非凡能力的科学。
The choice is simple: either we protect nature now, or we pay the price later.