If you pick up a starving dog and make him prosperous, he will not bite you. This is the principal difference between a dog and a man.
如果你收养了一只饥饿可怜的狗，并且让它舒适顺利，它将不会咬你，这便是一个人与一只狗之间最主要的差别。
Understanding black holes is understanding the fabric of the universe itself.
独裁滋生恐惧，恐惧滋生沉默，沉默滋生压迫。
幸福的唯一途径是做真实的自己。
In science, the most important quality is intellectual honesty.
It's not about being the best, it's about being better than you were yesterday.