Happiness is a state of mind. It's just according to the way you look at things.
善良是一种聋人能听、盲人能见的语言。
在原子和电子的世界中,经典物理学的定律不再有效,我们必须转向量子力学以获得正确的描述。
创新不在于成为第一,而在于做到最好。
We still have a long way to go. But we are moving in the right direction.