[...] any fool can make a discovery. Every baby has to discover more in the first years of its life than Roger Bacon ever discovered in his laboratory.
During the last considerable epidemic at the turn of the century, I was a member of the Health Committee of London Borough Council, and I learned how the credit of vaccination is kept up statistically by diagnosing all the revaccinated cases (of smallpox) as pustular eczema, varioloid or what not---except smallpox.
Reasonable men adapt themselves to their environment; unreasonable men try to adapt their environment to themselves. Thus all progress is the result of the efforts of unreasonable men.
The sex relation is not a personal relation. It can be irresistibly desired and rapturously consummated between persons who could not endure one another for a day in any other relation.
Women are not angels. They are as foolish as men in many ways; but they have had to devote themselves to life whilst men have had to devote themselves to death; and that makes a vital difference in male and female religion. Women have been forced to fear whilst men have been forced to dare: the heroism of a woman is to nurse and protect life, and of a man to destroy it and court death.