Mistakes are a part of being human. Appreciate your mistakes for what they are: precious life lessons that can only be learned the hard way. Unless it's a fatal mistake, which, at least, others can learn from.
To the attentive eye, each moment of the year has its own beauty, and in the same fields, it beholds, every hour, a picture which was never seen before, and which shall never be seen again.
"Face the brutes." That is a lesson for all life-face the terrible, face it boldly. Like the monkeys, the hardships of life fall back when we cease to flee before them.