"I like dogs. You always know what a dog is thinking. It has four moods. Happy, sad, cross and concentrating."

The universe is a book written in the language of mathematics, and physics is the key to deciphering its pages.

The more determinedly I exist, as myself, within the conditions of the time, the more clearly I shall hear the language of the past, the nearer I shall feel the breath of the centuries.

我不是那种会让对承诺的热爱减少的人。