Seeking and finding is wonderful Anon but asking and it being given is wonderful in a different way! :)
You'll find it in Genesis 32:30.
So Jacob named the place Peniel , for he said , " I have seen God face to face , yet my life has been preserved "
My bad for misquoting originally Anon.
So much of what is written is , so I'm not impressed I did it myself :(
I heard it mentioned in a talk and after your question I looked it up myself - which newfags like me should do before sharing owt in future :)