Reference for I Samuel 12:24

אַ֣ךְ ׀ יְר֣אוּ אֶת־יְהוָ֗ה וַעֲבַדְתֶּ֥ם אֹת֛וֹ בֶּאֱמֶ֖ת בְּכָל־לְבַבְכֶ֑ם כִּ֣י רְא֔וּ אֵ֥ת אֲשֶׁר־הִגְדִּ֖ל עִמָּכֶֽם׃

Only fear the LORD, and serve Him in truth with all your heart; for consider how great things He hath done for you.