Malachi 3:14

Ye have said, It {is} vain to serve God: and what profit {is it} that we have kept his ordinance, and that we have walked mournfully before the LORD of hosts? {ordinance: Heb. observation} {mournfully: Heb. in black}

You have said, ‘It is vain to serve God;’ and ‘What profit is it that we have followed his instructions, and that we have walked mournfully before Yahweh of Armies?

אֲמַרְתֶּ֕ם שָׁ֖וְא עֲבֹ֣ד אֱלֹהִ֑ים וּמַה־בֶּ֗צַע כִּ֤י שָׁמַ֙רְנוּ֙ מִשְׁמַרְתּ֔וֹ וְכִ֤י הָלַ֙כְנוּ֙ קְדֹ֣רַנִּ֔ית מִפְּנֵ֖י יְהוָ֥ה צְבָאֽוֹת׃

ʾamartem shavʾ ʿabod ʾelohiym vmah-beṣaʿ kiy shamarnv mishmartvo vkiy halaknv qdoraniyt mipney yhvah ṣbaʾvot