The true harvest of my daily life is somewhat as intangible and indescribable as the tints of morning or evening. It is a little star dust caught, a segment of the rainbow which I have clutched.
Henry David Thoreau, Walden
Choice of attention - to pay attention to this and ignore that - is to the inner life what choice of action is to the outer. In both cases, a man is responsible for his choice and must accept the consequences, whatever they may be.