Publishers, with their usual bravery, dumbed down their books in order to make money at the expense of… — Isaac Asimov

Nor did I learn about sex from any reasoned source of instruction. I learned about it from the distorted and imperfect knowledge of other boys. This is the usual fate enforced upon youngsters by a society that is too prim and too hypocritical to have sex taught like any other branch of knowledge.

Considering how important sex is, how great a source of joy, how enormous a source of misery and disease, how is permeates the workings of courtship and marriage, isn’t it strange that we go to great lengths to teach our children to play football and make no effort whatever to teach them to play sex?

There are no nations! There is only humanity. And if we don’t come to understand that right soon, there will be no nations, because there will be no humanity.

I refuse to consider myself to be anything more sharply defined than “human being,” and I feel that aside from overpopulation the most intractable problem we face in trying to avoid the destruction of civilization and humanity is the diabolical habit of people dividing themselves into tiny groups, with each group extolling itself and denouncing its neighbors.