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

There has been no more revolutionary contribution than the one which the Hindus (Indians) made when they invented ZERO.

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.

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.

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.'