It’s funny. The things that are most important to you are often the hardest to talk about.
有趣的是，对你来说最重要的事情往往最难开口。
When you light a candle, you also cast a shadow.
We don't inherit the earth from our ancestors; we borrow it from our children. Let's return it better.
The improver of natural knowledge absolutely refuses to acknowledge authority as such.
Technology should serve people, not control them.
A mind conscious of its purity is attached to nothing， neither to the body nor to the soul.
The only thing that can make you rich is your own heart.