知识最大的敌人不是无知，而是知识的幻觉。

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.

不要担心你在数学上遇到的困难；我敢保证我遇到的困难比你还大得多。

I believe in the power of intention and love.

Innovation is not just about technology; it's about changing the way we think and work.