The common enemy that cements the bonds of the squadron in war is, in theory, the opposing army; in practice it is the brass.
Business is more agreeable than pleasure; it interests the whole mind more continuously, and more deeply.
As a competent worker will be promoted into incompetence, so a valuable method or technique will infiltrate disciplines in which it is useless or harmful.
Exalt theory over practice, and youth over age will shortly follow.
A sudden influx into a profession or discipline signals either its robust health or its terminal illness.
He who can, does; he who cannot, teaches; and he who does, usually cannot teach.
Business problems are nearly always personnel problems, especially in sole proprietorships.
Do what you love for a living, and learn to hate it.
Knaves suffer fools gladly.
Fame is to be known for one thing: to essay more than one is to court obscurity again.
Any man who masters the practice of a discipline will be told that he does not understand its theory.