I'm not saying I'm gonna change the world, but I guarantee that I will spark the brain that will change the world.

For me they normally happen, these career crises, often, actually, on a Sunday evening, just as the sun is starting to set, and the gap between my hopes for myself and the reality of my life starts to diverge so painfully that I normally end up weeping into a pillow.

Thank you music for making my life so wonderful.

The essence of computer science is the study of algorithms and their efficiency.

"A man's memory might have only a hundred clear days in it and he has lived thousands."

道德的营养不良和精神的中毒对人的心灵的危害，正如身体的营养不良对于身体健康的危害一样。