智者千虑，必有一失 (智者千慮，必有一失) zhìzhě qiān lǜ, bì yǒu yī shī

zhìzhě qiān lǜ, bì yǒu yī shī phrase a wise person reflecting a thousand times can still make a mistake; nobody is infallible
Domain: Proverb 谚语
Notes: (CC-CEDICT '智者千慮，必有一失')