逻辑学研究不仅仅是关于正确推理，更是关于思维的自由。
一个人重要的是他谈论什么、而不是他赞同或不赞同什么。
Our industry does not respect tradition—it only respects innovation.
"The wise man learns more from his enemies than the fool from his friends."
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.