fas est et ab hoste doceri

== English == === Etymology === Borrowed from Latin fas est et ab hoste doceri (literally “it is right to be taught even by [one's] enemy”). === Proverb === fas est et ab hoste doceri One should be open to lessons from other people, even from one's enemies. ==== Further reading ==== “fas est et ab hoste doceri”, in Merriam-Webster Online Dictionary, Springfield, Mass.: Merriam-Webster, 1996–present.