Translation: A friend shows in misfortune.
Idiomatic translation: A friend is known in adversity, like gold is known in fire.
- Esperanto proverb
Paczolay, Gyula (1997). European Proverbs in 55 languages. DeProverbio.com. p. 159. ISBN 1-875943-44-7.
Note: Another way to phrase this is with the quote "In the world you have three sorts of friends: Your friends who love you, your friends who do not care about you, and your friends who hate you." by Sébastien-Roch Nicolas
친구는 어려울 때 보여진다.
- 에스페란토 속담
http://en.wikiquote.org/wiki/Esperanto_proverbs