抽象的力量使数学能够超越物理现实的限制。

林业技术已从链锯发展到卫星，但我们的责任始终如一。

There is no love that’s so right as admiration-based love, and that love should include the instructive dead. Somehow, I got that idea and I lived with it all my life and it’s been very very useful to me.

The best way to predict the future is to create it.

一家公司只有在能够建立并保持差异时，才能超越竞争对手。