释义：早早成功的人未必能取得长久的成就，晚点成功的人也未必不能达到目标。因此，不能因为年轻就自满骄傲，也不能因为年老就自暴自弃。

Customer satisfaction begins with understanding their unspoken needs and exceeding their expectations.

Mathematical intuition often guides the development of algorithms, but it is the rigorous proof that ensures their correctness and efficiency.