Work isn't to make money; you work to justify life.

Our mental make-up is suited to a life of very severe physical labor

No great achievement is possible without persistent work.

It is only through labor and painful effort, by grim energy and resolute courage, that we move on to better things

The man who doesn't relax and hoot a few hoots voluntarily, now and then, is in great danger of hooting hoots and standing on his head for the edification of the pathologist and trained nurse, a little later on.

The highest pleasure to be got out of freedom, and having nothing to do, is labor