Freedom means the opportunity to be what we never thought we would be.

Knowledge is not simply another commodity. On the contrary. Knowledge is never used up. It increases by diffusion and grows by dispersion.

In the twentieth century our highest praise is to call the Bible 'The World's Best Seller.' And it has come to be more and more difficult to say whether we think it is a best seller because it is great, or vice versa.

Education is learning what you didn't even know you didn't know.

Some are born great, some achieve greatness, and some hire public relations officers.

The greatest obstacle to discovery is not ignorance - it is the illusion of knowledge.