Popular wisdom is that when you fall off a horse, if you are not badly hurt, you should get back on and ride some more. This is so that you won’t develop a fear of riding horses. Falling off is scary, so if that is the last thing you remember about riding, you will be afraid to ride again. Now, not many people ride horses. But if you fall off a bicycle or fail at something, someone might tell you to “get back on the horse”.