Theodore Roosevelt actually said...

Do your work and do it up to the handle and then play when you have got time to play, and if you are worth anything enjoy that, too.

Prosperity by itself never made any man happy.

Now, the grand problem that we should set before us is to keep prosperity, but above all never, under any circumstances, to lend ourselves t...

There has never yet been a man in our history who led a life of ease whose name is worth remembering.