生存下来的不是最强壮的,也不是最聪明的,而是最能适应变化的。
It is not the strongest of the species that survives, nor the most intelligent, but the one most responsive to change.  
The time you enjoy wasting is not wasted time.
The best books are those that make you feel less alone.
The most important skill for a computer scientist is problem-solving.
To be happy, I must have my books and a piece of sky.