Sahih Bukhari

Narrated Ibn `Umar:The Prophet (ﷺ) said, ""The example of a believer is like a green tree, the leaves of which do not fall."" The people said. ""It is such-and-such tree: It is such-and-such tree."" I intended to say that it was the datepalm tree, but I was a young boy and felt shy (to answer). The Prophet (ﷺ) said, ""It is the date-palm tree."" Ibn `Umar added, "" I told that to `Umar who said, 'Had you said it, I would have preferred it to such-and such a thing