科学家最强大的工具是开放的思维。

人生之初，即有忧愁，与生俱来也。

"I think the most important thing is to be honest and truthful in your work."

Legal rules are not merely predictions of what courts will do, but are reasons for action.

Look up at the stars and not down at your feet. Try to make sense of what you see, and wonder about what makes the universe exist. Be curious.

If I could, I would stop the passage of time.But hour follows on hour, minute on minute, each second robbing me of a morsel of myself for the nothing of tomorrow.I shall never experience this moment again.