Management, business, leadership and investing quotes and many other famous quotes

Profit is to a corporation what oxygen is to a person, necessary for its existence but not the reason for it.
If you're not stubborn, you'll give up on experiments too soon. And if you're not flexible, you'll pound your head against the wall and you won't see a different solution to a problem you're trying to solve.
Best efforts are essential. Unfortunately, best efforts, people charging this way and that way without guidance of principles, can do a lot of damage.