Science for the Citizen is ... also written for the large and growing number of adolescents, who realize that they will be the first victims of the new destructive powers of science misapplied.

It is not enough to show that drug A is better than drug B on the average. One is invited to ask, 'For which people ("& why") is drug A better than drug B, and vice versa? If drug A cures 40% and drug B cures 60%, perhaps the right choice of drug for each person would result in 100% cures.'

This is not the age of pamphleteers. It is the age of the engineers. The spark-gap is mightier than the pen. Democracy will not be salvaged by men who talk fluently, debate forcefully and quote aptly.

Mathematics is the language of size.

There is nothing particularly scientific about excessive caution. Science thrives on daring generalizations.

Geneticists believe that anthropologists have decided what a race is. Ethnologists assume that their classifications embody principles which genetic science has proved correct. Politicians believe that their prejudices have the sanction of genetic laws and the findings of physical anthropology to sustain them.

The best therapy for emotional blocks to math is the realization that the human race took centuries or millennia to see through the mist of difficulties and paradoxes which instructors now invite us to solve in a few minutes.