免费的疫苗比昂贵的治疗更有价值，但更难推广。

The key to growth is not just in expanding markets, but in deepening relationships.

The best science is done when diverse minds come together.

爵士乐教会我自由，但生活教会我灵魂。

Probability theory is nothing but common sense reduced to calculation.

选择那些傻瓜也能经营的企业——因为迟早会有傻瓜来经营它。