The dead are always listening. The dead are always watching.

宇宙的美在于它的复杂性和简单性。

"I love to make people laugh, especially kids."

If we had paid no more attention to our plants than we have to our children, we would now be living in a jungle of weeds.

Diplomacy requires overcoming the temptation of short-term interests and focusing on long-term benefits and global development.

科学研究要解决实际问题，不能只停留在论文上。

The writer must be a perpetual beginner, always doubting, always searching.

真正的无知不是知识的缺乏，而是拒绝获取知识。