过去总是紧张的，未来是完美的。

I believe in the power of prayer.

每一个实验，即使是失败的，也会教会你一些有价值的东西。

政策制定者应乐于根据新证据修正他们的观点。

The power elite is composed of men whose positions enable them to transcend the ordinary environments of ordinary men and women; they are in positions to make decisions having major consequences.

你不尝试就不知道你能达到什么。