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You think when you wake up in the mornin yesterday don't count. But yesterday is all that does count. What else is there? Your life is made out of the days it's made out of. Nothin else.

The laser is to attosecond physics what the telescope was to astronomy.

In the ocean of science, every question is an unknown island waiting to be discovered and explored.

最大的風險就是不去冒險。