A wild goose never laid a tame egg.
Silly as a goose
Kill the goose that lays the golden egg.
Wild Goose Chase
What's sauce for the goose is sauce for the gander. Marcus Terentuis Varro
Can't say boo to a goose.
A fox should not be on the jury of a goose's trial. Thomas Fuller
When I sit down to write, I just let the goose out of the bottle. Tom Robbins.
I don't know what that means, but I don't think I put a cap on fear over at The Chorus of the Crows Don't be a goose, go check it out.