Your most unhappy customers are your greatest source of learning.

I think the greater responsibility in terms of morality is where leadership begins.

We should see the leadership from the White House setting dates certain for certain goals of achieving greater alliance on alternative and renewable energy sources but we are not.

Market leadership can translate directly to higher revenue higher profitability greater capital velocity and correspondingly stronger returns on invested capital.

Black leadership has to recognize that principles more than speech character more than a claim is greater in advancing the cause of our liberation than what has transpired thus far.

I think education is one of the greatest tools for most kids not only to expand their book knowledge but their ability to experience new things - I think it opens more doors than any other experience I can think of.

The knowledge and understanding of the world which science gives us and the magnificent opportunity which it extends to us to control and use the world for the extension of our pleasure in it has never been greater than it now is.

The greater the step forward in knowledge the greater is the one taken backward in search of wisdom.

There is no greater impediment to the advancement of knowledge than the ambiguity of words.

One of the greatest joys known to man is to take a flight into ignorance in search of knowledge.