It is surprising what a man can do when he has to, and how little most men will do when they don't have to. - Walter Linn
Aim at perfection in everything, though in most things it is unattainable. However, they who aim at it, and persevere, will come much nearer to it than those whose laziness and despondency make then give it up as unattainable. - Chesterfield
Putting off an easy thing makes it hard, and putting off a hard one makes it impossible. - George H. Lorimer
The block of granite which is an obstacle in the pathway of the weak, becomes a stepping stone in the pathway of the strong. - Thomas Carlyle