Most people like hard work, particularly when they're paying for it.
A book on cheap paper does not convince. It is not prized, it is like a wheezy doctor with pigtail tobacco breath, who needs a manicure.
The art of winning in business is in working hard - not taking things too seriously.
Progress needs the brakeman, but the brakeman should not spend all his time putting on the brakes.
Live truth instead of professing it.
It is always the nearest, plainest and simplest principles that learned men comprehend last.