A good horse should be seldom spurred.
How should a man be capable of grooming his own horse, or of furbishing his own spear and helmet, if he allows himself to become unaccustomed to tending even his own person, which is his most treasured belonging?
Get off your horse and drink your milk.
Hopalong cassidy conducting his great white horse across the traffic;
Old minds are like old horses; you must exercise them if you wish to keep them in working order.
Alimony is like buying hay for a dead horse.