Profit without purpose is chemistry without catalysts - possible, but painfully slow and inefficient.
The biggest problem with the European Union is that it is not a state, but it pretends to be one.
计算复杂性理论的发展向我们展示了并非所有问题都是平等的。
最根本的道理往往是最简单的,但其衍化出来的现象却非常复杂。
I don't need a mirror to know my worth.
In the darkness, even a small light can guide you home.