我一直是个非常独立的人，现在依然是。
I have always been a very independent person, and I still am.
Reason is， and ought only to be the slave of the passions， and can never pretend to any other office than to serve and obey them.
The end of history will be a very sad time. The struggle for recognition, the willingness to risk one's life for a purely abstract goal, the worldwide ideological struggle that called forth daring, courage, imagination, and idealism, will be replaced by economic calculation, the endless solving of technical problems, environmental concerns, and the satisfaction of sophisticated consumer demands.
The language of causality is the language of science.
The search for a theory of everything is one of the most exciting and challenging quests in modern physics.
我不知道未来会怎样，但我知道谁掌握着未来。