子曰，吾十有五而志于学。三十而立。四十而不惑。五十而知天命。六十而耳顺。七十而从心所欲，不逾矩。
白话导读
孔子说：我十五岁立志求学，三十岁能够自立，四十岁不再困惑，五十岁懂得天命，六十岁听到不同意见都能通达顺受，七十岁可以随心而行，却不越出规矩。
James Legge 英译
1. The Master said, "At fifteen, I had my mind bent on learning. 2. "At thirty, I stood firm. 3. "At forty, I had no doubts. 4. "At fifty, I knew the decrees of Heaven. 5. "At sixty, my ear was an obedient organ for the reception of truth. 6. "At seventy, I could follow what my heart desired, without transgressing what was right."
译注：James Legge 公版英译，1893 年原版。
注释
- 底本：Wikisource 整理的 James Legge《The Chinese Classics》公版中英文本（1893–1895）。
- 简体化：原文由繁体转为简体（OpenCC），与公版英译逐句对应。
- 白话参考底本：《白话论语读本》，张兆瑢、沈元起编译，上海广益书局1948 年新三版。