The sign was meant for Jim Carrey's character, since God had just helped him out. The sign was saying God be Good, Honey (thus confirming that God had just helped him out). Although they changed the be to "bee" for the play on words.
I googled this question, hope this would help you.
http://forum.wordreference.com/threads/god-bee-good-honey.2590804/?hl=zh