Matthew 6:2

2WhenὍτανthereforeοὖνyou doποιῇςacts of charityἐλεημοσύνην,notμὴdo sound a trumpetσαλπίσῃςbeforeἔμπροσθένyouσου,asὥσπερtheοἱhypocritesὑποκριταὶdoποιοῦσινinἐνtheταῖςsynagoguesσυναγωγαῖςandκαὶinἐνtheταῖςstreetsῥύμαις,so thatὅπωςthey may have gloryδοξασθῶσινfromὑπὸτῶνmenἀνθρώπων·TrulyἀμὴνI sayλέγωto youὑμῖν,they haveἀπέχουσινtheτὸνrewardμισθὸνof themαὐτῶν.

Therefore, when you may do charity, do not sound a trumpet before you, as the hypocrites do in the synagogues and in the streets so that they may be glorified by men. Truly I say to you⁺, they have their reward in full.