from (one's) lips to God's ear(s)

1. Said to emphasize one's hope that a prayer will come true. Please, from my lips to God's ears, let us win this championship match! A: "I'm on my knees praying every day that he will pull through." B: "From your lips to God's ear." A: "With your healthy lifestyle, cancer wouldn't dare invade your body!" B: "Well, from your lips to God's ears!"

2. Said to emphasize the veracity of what one is saying. From my lips to God's ear, I did not commit that crime! Janet has insisted, from her lips to God's ears, that she wasn't the one to betray me, and I believe her. From my lips to God's ear, I will help your campaign at the first opportunity.