The three indispensable of genius are: understanding, feeling, and perseverance; the three things that enrich genius are: contentment of mind, the cherishing of good thoughts, and the exercise of memory
Robert SoutheyBeasts, birds, and insects, even to the minutest and meanest of their kind, act with the unerring providence of instinct; man, the while, who possesses a higher faculty, abuses it, and therefore goes blundering on.
Robert Southey