He who can, does; he who cannot, teaches; and he who does, usually cannot teach.
Business is more agreeable than pleasure; it interests the whole mind more continuously, and more deeply.
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.
Stores used to play music to please the customers; they play it now to please the staff.
It is better to put off a task, and be thought incompetent, than complete it, and remove all doubt.
We are regularly informed, by people with talent for a discipline, that nothing is required to master it but effort.
Better than nothing is an exacting standard: medicine has met it only recently, and to many prestigious and lucrative occupations it remains a fond hope.