The real reward in science is knowing that your work can save lives.
The future is not something to be predicted, but something to be achieved.
Success is a journey, not a destination.
一个观念的效用决定了它在精神生活中的地位。
最难解释的是每个人都决定不去看的明显事实。
The past is not dead. It is not even past.
Understanding the cosmos requires transcending the senses, reaching deeper levels through rational inference and contemplation.