志學

From the Analects:

子曰：「吾十有五而志於學，三十而立，四十而不惑，五十而知天命，六十而耳順，七十而從心所欲，不踰矩。」 [Classical Chinese, trad.]

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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。」 [Classical Chinese, simp.]

From: The Analects of Confucius, c. 475 – 221 BCE, translated based on James Legge's version

Zǐyuē: “Wú shí yǒu wǔ ér zhì yú xué, sānshí ér lì, sìshí ér bùhuò, wǔshí ér zhī tiānmìng, liùshí ér ěr shùn, qīshí ér cóngxīnsuǒyù, bù yújǔ.” [Pinyin]

The Master said, "At fifteen, I had my mind bent on learning. At thirty, I stood firm. At forty, I had no doubts. At fifty, I knew the decrees of Heaven. At sixty, my ear was an obedient organ for the reception of truth. At seventy, I could follow what my heart desired, without transgressing what was right.

志學

1. (literary) to dedicate oneself to the pursuit of learning

志學

1. (literary, figurative) 15 years of age