Success is not final, failure is not fatal: It is the courage to continue that counts.

I'm not a concert, I'm a opera.

We need to be vigilant about the security of the Internet.

In the quest to understand quantum gravity, we are like children playing on the shore of a vast ocean, occasionally finding a smooth pebble or a pretty shell, while the great ocean of truth lies undiscovered before us.

最重要的是，你必须对自己忠实。

"I wonder how many people I've looked at all my life and never seen."