勿以恶小而为之，勿以善小而不为。
译文：不要因为很小的恶事就去做，也不要因为很小的善事就不去做。赏析：恶事虽小，但时间久了就会败坏人的品行。善事虽小，时间久了能提高人的品质。
Mathematics is a language that allows us to describe the indescribable.
I always believe if you’re stuck in a hole and maybe things aren’t going well you will come out stronger.
The key is to set realistic customer expectations, and then not to just meet them, but to exceed them—preferably in unexpected and helpful ways.
人类的自由在其选择中被限制。
计算的力量在于它能够将想法转化为现实。