He that is won with a nut, may be lost with an apple.
More Gaelic Proverbs:
A church stone drops gold.Gaelic
The cow that does not eat with the oxen, either eats before or after them.
Gaelic
I see by my mother-in-law's eyes when the devil takes hold of her.
Gaelic
The bad neighbour gives a needle without thread.
Gaelic
You a lady, I a lady, who is to put the sow out of doors?
Gaelic