For as long as I can remember, Mom has been a middle-aged woman, but no one told me she used to be a young girl.
从我们记事起，妈妈就是一个中年妇女了，可谁又知道，她也曾是个花季少女。
If you can't explain it simply, you don't understand it well enough.
The true measure of our success is how well we feed the world while preserving its resources.
绘画的行为是一种爱的行为。
物理学的未来取决于我们操纵比当前能测量的更快过程的能力。
"Every revolution begins with a single thought that refuses to be silenced."