Reading furnishes the mind only with materials of knowledge; it is thinking that makes what we read ours.
The future belongs to those who see opportunities where others see challenges.
Data drives decisions, but don't be held hostage by data.
The act of writing is an act of hope.
We have a responsibility to future generations to leave the planet in better shape than we found it.
不要因为它结束了而哭泣,要因为它发生过而微笑。