A writer must be willing to be challenged.

个人的传记是由其所嵌入的历史和社会背景塑造的。

The key to good design is understanding forces.

The only thing that matters is the work itself.

I would say that in the long run probably Communist China is likely to be in more of an expansionist phase than Soviet Russia...In their tactics, the Chinese Communists are probably the greater menace;

Motto for a research laboratory: What we work on today, others will first think of tomorrow.

判断两个λ表达式是否等价的问题是无法解决的。