Trying is failing with honor
Success is messy. But so is life. Deal with it. Poverty is messier.
This principle applies to your family pet, for instance, which I believe are wonderful because they put you into a great emotional state. When you feel love for your pet, that's a great state of love that's going to bring goodness into your life, what a gift that is.
While the cat's away, the mice will play.
Animals are wonderful, because they put you in a great emotional state.
Control is never achieved when sought after directly; it is the surprising result of letting go.