The beauty of mathematics lies in its ability to reveal the underlying simplicity in what appears to be complex.
我不完美，但我在努力。
为孩子画画是要抓住本质，而不是细节。
译文：事前不研讨，遇变难以应对;军队不训练，作战难以取胜。强调未雨绸缪的重要性。