Life is really simple, but we insist on making it complicated.
未经测试的程序是无法正常工作的。
To find a truth that is true to me, to find an idea for which I am willing to live and die.
The difference between stupid and intelligent people—and this is true whether or not they are well-educated—is that intelligent people can handle subtlety.
乐观是一种可以学习的技能。