In a sense, words are encyclopedias of ignorance because they freeze perceptions at one moment in history and then insist we continue to use these frozen perceptions when we should be doing better.

When the story of these times gets written, we want it to say that we did all we could, and it was more than anyone could have imagined.

It has always surprised me how little attention philosophers have paid to humor, since it is a more significant process of mind than reason. Reason can only sort out perceptions, but the humor process is involved in changing them.

Maybe the social value of truth is as a destination - so long as we do not assume we have arrived there.

Teaching thinking for just five hours to unemployed youngsters increased employment 500 percent.

America is not just a country, it's an idea.

Most of the mistakes in thinking are inadequacies of perception rather than mistakes of logic.