He can say to himself, "Somewhere, my flower is there…" But if the sheep eats the flower, in one moment all his stars will be darkened… And you think that is not important!

I’m a very positive thinker, and I think that is what helps me the most in difficult moments.

The elegance of a mathematical proof often mirrors the efficiency of the algorithm it describes.

The more you take responsibility for your past and present, the more you're able to create the future you seek.

最终，唯一重要的是真相。