世界只给予我一次，不是存在一个又感知一个。
The world is given to me only once, not one existing and one perceived.
I want to liberate America from fear. I want people to be afraid of the things that are really scary, like war and famine, not their neighbor because he has a different religion.
The whole conviction of my life now rests upon the belief that loneliness, far from being a rare and curious phenomenon, peculiar to myself and to a few other solitary men, is the central and inevitable fact of human existence.
The best performance improvement is the transition from the nonworking state to the working state.
