社会主义不是一个可以由政府或政党建立的现成制度。它是工人阶级自身的产物。
Sustainability is not a choice anymore—it's our responsibility to future generations.
没有什么比不快乐更有趣了。
In computer science, we often deal with problems that are easy to state but hard to solve.
Even if it can be communicated, it cannot be understood.
"Sometimes you have to lie. But to yourself you must always tell the truth."