The person who tries to live alone will not succeed as a human being. His heart withers if it does not answer another heart. His mind shrinks away if he hears only the echoes of his own thoughts and finds no other inspiration.

Chemistry is the art of building bridges between the microscopic and the macroscopic.

Writing is making sense of life. You work your whole life and perhaps you've made sense of one small area.

人は、自分が思っている以上に強い。

科学家不是给出正确答案的人，而是提出正确问题的人。

一个观念的效用决定了它在精神生活中的地位。