Happiness is brief. It will not stay. God batters at its sails.

You can say so much with pictures that you don't need to say in words.

I start early and I stay late, day after day, year after year. It took me 17 years and 114 days to become an overnight success.

Every discovery we make brings us one step closer to understanding the fundamental laws of the universe.

外交的任务是延长决策的时间。