The last thing a fish would ever notice would be water.
The tremendous and still accelerating development of science and technology has not been accompanied by an equal development in social, economic and political patterns …it is safe to predict that… such social inventions as modern-type capitalism, facism and communism will be regarded as primitive experiments directed towards the adjustment of modern society to modern methods
It seems to be a general rule that sciences begin their development with the unusual. They have to develop considerable sophistication before they interest themselves in the commonplace.