Reference for I Samuel 1:10

וְהִ֖יא מָ֣רַת נָ֑פֶשׁ וַתִּתְפַּלֵּ֥ל עַל־יְהוָ֖ה וּבָכֹ֥ה תִבְכֶּֽה׃

and she was in bitterness of soul—and prayed unto the LORD, and wept sore.