注
謝氏曰 不侈然以自放之謂約이라 尹氏曰 凡事約則鮮失이니 非止謂儉約也니라
[James Legge] The Master said, “The reason why the ancients did not readily give utterance to their words, was that they feared lest their actions should not come up to them.”
23. 공자께서 말씀하셨다. “약(約):검속, 절제함으로써 실수하는 경우는 적다.”