You are not only responsible for what you say, but also for what you do not say.

The past is a foreign country; they do things differently there.

"The truth is not always beautiful, but it is always necessary."

教育者有责任不保持中立。

没有人会保护他们不关心的事物，也没有人会关心他们从未经历过的事物。

Inspiration can come from the most unexpected places.

The future of energy lies in the integration of traditional and renewable energy sources, not in their opposition.

There is no easy walk to freedom anywhere, and many of us will have to pass through the valley of the shadow of death again and again before we reach the mountaintop of our desires.