A gi'en game was ne'er won.
A voluntary concession may be no tribute to the skill of the opponent.
A gi'en horse shouldna be looked i' the mouth.
A gi'en piece is soon eaten.
A gowk at Yule 'll no be bright at Beltane.
He that is a fool at Christmas will not be wise in May.
A great rooser was ne'er a gude rider.
A great boaster is rarely a great performer.
A greedy e'e ne'er got a fu' wame.
A greedy e'e ne'er got a gude pennyworth.