永远不要在安全问题上妥协 - 它是我们行业的基石。

The most important thing in science is not so much to obtain new facts as to discover new ways of thinking about them.

Investors should avoid trying to time the market; it's a losing game.

The future of medicine lies in understanding the molecular basis of disease.

中心地的规模和分布并非偶然，而是遵循一定的规律。