70岁，我才刚刚开始。等着瞧吧。

及时采撷你的花蕾，旧时光一去不回，今天尚在微笑的花朵，明日便在风中枯萎。

The only way to learn mathematics is to do mathematics.

The world owes all its onward impulses to men ill at ease; the happy man inevitably confines himself within ancient limits.

写作是关于造句。它是关于句子的节奏，句子的音乐。