You are too generous to trifle with me. If your feelings are still what they were last April, tell me so at once. My affections and wishes are unchanged, but one word from you will silence me on this subject for ever.

Innovation requires both creativity and rigorous testing.

The books that the world calls immoral are books that show the world its own shame.

世界是一切事实的总和。

智者虽然很善于谋划，但是不如能抓住时机。

Pessimism leads to weakness, optimism to power.