When you have exhausted all possibilities, remember this - you haven't.

To do much clear thinking a person must arrange for regular periods of solitude when they can concentrate and indulge the imagination without distraction.

The very first thing an executive must have is a fine memory. Of course it does not follow that a man with a fine memory is necessarily a fine executive. But if he has the memory he has the first qualification, and if he has not the memory nothing else matters.

There is far more opportunity than there is ability.

There seems to be no limit to which some men will go to avoid the labor of thinking. Thinking is hard work.

Direct thought is not an attribute of feminity. In this, women are now centuries behind man.

If I could solve all the problems myself, I would.