The beauty of theoretical computer science lies in its ability to connect abstract mathematical concepts with practical computational problems.
Marxian Socialism must always remain a portent to the historians of Opinion — how a doctrine so illogical and so dull can have exercised so powerful and enduring an influence over the minds of men， and， through them， the events of history.
In mathematics, the art of proposing a question must be held of higher value than solving it.
艺术的最高目标是在人与环境之间创造和谐。
能源的未来在于发展与可持续性之间的平衡。