可归约性的概念对于理解不同计算问题之间的关系至关重要。
The concept of reducibility is central to understanding the relationships between different computational problems.
One does not learn computing by using a hand calculator, but one can forget arithmetic.
能源的未来不是非此即彼,而是兼收并蓄。
是不失败,其次则是败了却还有办法成功,这才叫善于用人。
Don't be afraid to make mistakes, but learn from them quickly.
I believe in the power of stories to change the world.