过去半个世纪最重要的政治发展是自由民主在世界范围内的传播。

我们每一次的观察都是向解开宇宙之谜迈近的一步。

The quality of an organization's training determines the quality of its people.

科学是人类思想最伟大的冒险。

It's probably as unlikely that you would nowadays become as rich and famous as Bill Gates, as it was unlikely in the17th century that you would accede to the ranks of the French aristocracy. But the point is, it doesn't feel that way. It's made to feel, by magazines and other media outlets, that if you've got energy, a few bright ideas about technology, a garage -- you, too, could start a major thing.