Sometimes the most profound mathematics comes from playing with simple ideas until they reveal their hidden complexity.

气候模型就像时间机器 - 它们让我们能够窥视可能的未来。

 The wise reflect on their thoughts; the foolish indulge in their indulgences.

"We are all the authors of our own lives, but we are also the characters in someone else's story."

The self is nothing else than the sum of all the contents of consciousness.