Little minds are interested in the extraordinary; great minds in the commonplace.
To have a full stomach and fixed income are no small things .
One can play comedy, two are required for melodrama, but a tragedy demands three.
The reason men oppose progress is not that they hate progress, but that they love inertia.
Impossible things are simply those which so far have never been done.
The difference in men does not lie in the size of their hands, nor in the perfection of their bodies, but in this one sublime ability of concentration: to throw the weight in one blow, to live eternity in an hour.