Preserving health by too severe a rule is a worrisome malady.
The secret of greatness is simple: do better work than any other man in your field - and keep on doing it.
Money doesn't always bring happiness. People with ten million dollars are no happier than people with nine million dollars.
The ornament of a house is the friends who frequent it.
It's not the hours you put in your work that counts, it's the work you put in the hours.
Keep on going and the chances are you will stumble on something, perhaps when you are least expecting it. I have never heard of anyone stumbling on something sitting down.
They are ill discoverers that think there is no land, when they can see nothing but sea.