The greatest discoveries come from asking the simplest questions.

The future is not something we enter; it's something we create.

We are moving from an economy based on the production of goods to one based on the production of knowledge.

The greatest glory in living lies not in never falling, but in rising every time we fall.

世界会打击每一个人，但经历过后，许多人会在受伤的地方变得更坚强。

膨胀宇宙模型为宇宙的起源提供了一个可能的解释。

心理学必须是一门观察的科学，而非推测。