The world is what it is; men who are nothing, who allow themselves to become nothing, have no place in it.
我们不能忽视煤炭的经济作用,但也不能忽视其环境影响。
心理学的目的是理解生活如何运作。
The future of animal health lies in prevention, not just treatment.
如果你想飞翔,就必须放弃那些拖累你的事物。