别让恐惧决定你的未来。

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

I am not a political person by nature. I don't think writers should be political persons. But in South Africa, you can't keep politics out of your life.

市场失灵的程度并不是政府干预的充分条件。

The only way to discover the limits of the possible is to go beyond them into the impossible.

Listen to me, my friend. Hope is a dangerous thing. Hope can make people crazy.

The true teacher defends his pupils against his own personal influence. He inspires self-distrust. He guides their eyes from himself to the spirit that quickens him. He will have no disciple.