Exercise of the muscles keeps the body in health, and exercise of the brain brings peace of mind.
John LubbockThose who have not distinguished themselves at school need not on that account be discouraged. the greatest minds do not necessarily ripen the quickest.
John LubbockAll those who love Nature she loves in return, and will richly reward, not perhaps with the good things, as they are commonly called, but with the best things of this world-not with money and titles, horses and carriages, but with bright and happy thoughts, contentment and peace of mind.
John Lubbock