Few people are capable of expressing with equanimity opinions which differ from the prejudices of their social environment. Most people are even incapable of forming such opinions.

Common sense is nothing more than a deposit of prejudices laid down by the mind before you reach eighteen.

If everybody lived as I do, surely the writing of romance novels would never have come into being.

Politics is more difficult than physics.

It takes a different kind of thinking to solve a problem than the kind of thinking which produced the problem.

There is no greater satisfaction for a just and well-meaning person than the knowledge that he has devoted his best energies to the service of the good cause.

It would be better if you began to teach others only after you yourself have learned something.