你必须有深渊的眼睛,才能凝视深渊。
我写歌的时候,常常忘记时间。
普通和非凡的区别在于那一点点额外的努力。
Every scientific advancement forces us to confront new ethical questions.
"In science, the credit goes to the man who convinces the world, not to the man to whom the idea first occurs."