Small minds cannot grasp great ideas; to their narrow comprehension, their purblind vision, nothing seems really great and important but themselves. … - James George Frazer

Thus it comes about that the endeavour of primitive people to make a clean sweep of all their troubles generally takes the form of a grand hunting out and expulsion of devils and ghosts. They think that if they can only shake off these their accursed tormentors, they will make a fresh start in life, happy and innocent; the tales of Eden and the old poetic golden age will come true again.

If mankind had always been logical and wise, history would not be a long chronicle of folly and crime.

It is probably not too much to say that the hope of progress--moral and intellectual as well as material--in the future is bound up with the fortunes of science, and that every obstacle placed in the way of scientific discovery is a wrong to humanity.