A problem is in P if it can be solved quickly by a computer, and in NP if a solution can be verified quickly.
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.
我认为在电影制作中冒险是很重要的。如果你不冒险，你就不会成长为艺术家。
Commit to your business. Believe in it more than anybody else. I think I overcame every single one of my personal shortcomings by the sheer passion I brought to my work.