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Historically, absolute IQ scores have risen substantially as we've changed our environment so that more people go to school longer.

There is no such thing as an underestimate of average intelligence.

IQ in general has improved since tests first began. Psychologists think that this is because modern life becomes ever more complicated.

I can well imagine that certain writers, even writers that we'd consider today very great writers, may not necessarily have tested highly on IQ just because of their numerical skills, or maybe they may not be very good at memory, and are not particularly good at these kinds of tests.

I believe I am more intelligent than the average person.

I would say that IQ is the strongest predictor of which field you can get into and hold a job in, whether you can be an accountant, lawyer or nurse, for example.

People's intelligence tends to be in inverse proportion to their number. People don't tend to get smarter as they get into bigger groups.

My IQ is somewhere between Spiro Agnew's and Albert Einstein's.

The Americans are completely stupid. The intellectual level in any single European country is higher than in America.