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.

The best investment we can make is in the health of future generations.

物体的加速度与所受的合外力成正比，与物体的质量成反比。加速度的方向与合力的方向相同。

经济学家最重要的技能是清晰地思考权衡取舍。

Quality is the soul of our products, and integrity is the foundation of our business.