What is morally wrong can never be advantageous, even when it enables you to make some gain that you believe to be to your advantage. The mere act of believing that some wrongful course of action constitutes an advantage is pernicious.
Quotes
The problem is not that there are problems. The problem is expecting otherwise and thinking that having problems is a problem.
In reading the lives of great men, I found that the first victory they won was over themselves. … Self-discipline with all of them came first.
There is only one boss: the customer. And he can fire everybody in the company, from the chairman on down, simply by spending his money somewhere else.
What would life be if we had no courage to attempt anything?