The biggest risk is not taking any risk.

The rise of a new great power is always a cause for concern among existing powers, as it threatens the existing balance of power.

英雄和恶棍之间的界限往往是模糊的。

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

The dairy industry must evolve to meet both consumer demands and environmental responsibilities.

Mathematics is the art of giving the same name to different things.

场所是赋予城市意义的原则。