Throught human history, illusions of knowledge, not ignorance, have proven to be the principal obstacles to discovery

The mind is a vagrant thing.... Thinking is not analogous to a person working in a laboratory who invents something on company time.

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

Reading is like the sex act - done privately, and often in bed.

While knowledge is orderly and cumulative, information is random and miscellaneous.

Any government which made the welfare of men depend on the character of their governors was an illusion.

No agnostic ever burned anyone at the stake or tortured a pagan, a heretic, or an unbeliever.