Knowledge is invariably a matter of degree: you cannot put your finger upon even the simplest datum and say this we know.

Checking the results of a decision against its expectations shows executives what their strengths are, where they need to improve, and where they lack knowledge or information.

Integrity without knowledge is weak and useless, and knowledge without integrity is dangerous and dreadful.

Anyone who thinks that the vice-president can take a position independent of the president of his administration simply has no knowledge of politics or government. You are his choice in a political marriage, and he expects your absolute loyalty.

Mistakes are, after all, the foundations of truth, and if a man does not know what a thing is, it is at least an increase in knowledge if he knows what it is not.