Idiom：From your lips to God's ears
It expressing a wish that the desires of the person to whom the saying is spoken will come true；When you say this to someone, it means that you hope what they are saying will come true.
希望梦想成真；但愿如此

Usage note：The original, literal meaning of the saying indicates that the speaker wishes that whatever the addressee has just said will be heard by God and answered.

Example：
1. —Your show will get so much press, it'll drive marc jacobs to drink. —From your lips to God's ears!