The world is full of mysteries, and that is its beauty.
Innovation in physics often comes from looking at old problems in new ways.
You have to really believe not only in yourself but in what you're doing.
Sometimes you have to go through the darkness to get to the light.
人变得真正低劣时,除了高兴别人的不幸外,已无其他乐趣可言。
If you're not prepared to be wrong, you'll never come up with anything original.