Light is the most important material in architecture.

"In the darkest times, even the smallest acts of kindness can shine like stars."

Food security begins with resilient farming practices.

【释义】依靠暴力使人服从，不是真心服从，只是力量不足以进行反抗；只有依靠道德使人服从，人家才会心悦诚服。

数学中最深刻的定理往往有最简单的表述。