Let us try to teach generosity and altruism, because we are born selfish.

Always look for the positive in every situation.

"The interplay between mathematics and computer science is a rich source of innovation."

Much of what sophisticates loftily refer to as the "complexity of the real world” is in fact the inconsistency in their own minds.

你能花在孩子身上最好的东西就是时间。