1 Samuel 1:11-17

And she vowed a vow and said, “O LORD of hosts, if you will indeed look on the affliction of your servant and remember me and not forget your servant, but will give to your servant a son, then I will give him to the LORD all the days of his life, and no razor shall touch his head.” As she continued praying before the LORD, Eli observed her mouth. Hannah was speaking in her heart; only her lips moved, and her voice was not heard. Therefore Eli took her to be a drunken woman. And Eli said to her, “How long will you go on being drunk? Put your wine away from you.” But Hannah answered, “No, my lord, I am a woman troubled in spirit. I have drunk neither wine nor strong drink, but I have been pouring out my soul before the LORD. Do not regard your servant as a worthless woman, for all along I have been speaking out of my great anxiety and vexation.” Then Eli answered, “Go in peace, and the God of Israel grant your petition that you have made to him.”