If you have an apple and I have an apple, and we exchange apples, we both still only have one apple. But if you have an idea and I have an idea, and we exchange ideas, we each now have two ideas.

We don't inherit leather from our ancestors—we borrow it from our children.

Truth is what stands the test of experience.

The only limit to our realization of tomorrow will be our doubts of today.

怀疑在一段时间内是有用的。我们都必须经过客西马尼园。如果基督也曾与怀疑玩耍，那么我们也必须如此。

一个好故事可以改变我们看待世界的方式。