Adequacy is the enemy of excellence.

Any time I have seen someone accomplishing something magnificent, they have been a monomaniac with a mission. A single-minded individual with a passion.

There are no creeds in mathematics.

The successful person places more attention on doing the right thing rather than doing things right.

Profit is not the explanation, cause, or rationale of business behavior and business decisions, but the test of their validity.

Do not measure your life by your goals but what you are doing to achieve them.

I would hope that American managers-indeed, managers worldwide-continue to appreciate what I have been saying almost from day one: that management is so much more than exercising rank and privilege, that it is much more than "making deals." Management affects people and their lives.