Of all forms of caution, caution in love is perhaps the most fatal to true happiness.

This idea of weapons of mass extermination is utterly horrible and is something which no one with one spark of humanity can tolerate.

Man needs, for his happiness, not only the enjoyment of this or that, but hope and enterprise and change.

A hallucination is a fact, not an error; what is erroneous is a judgment based upon it.

There is no nonsense so errant that it cannot be made the creed of the vast majority by adequate governmental action.

Answering questions is a major part of sex education. Two rules cover the ground. First, always give a truthful answer to a question; secondly, regard sex knowledge as exactly like any other knowledge.

Although this may seem a paradox, all exact science is based on the idea of approximation. If a man tells you he knows a thing exactly, then you can be safe in inferring that you are speaking to an inexact man.