Among the wise and high-minded people who in self-respecting and genuine fashion strive earnestly for peace, there are the foolish fanatics always to be found in such a movement and always discrediting it — the men who form the lunatic fringe in all reform movements.

The lunatic fringe wags the underdog.

The progressive movement is the lunatic fringe of the left. It is the home of everything that you despise. It is the home of income tax. It is the home of prohibition. It is the home of the Fed.

The way to find what the mainstream will do tomorrow is to associate with the lunatic fringe today.

There are always some lunatics about. It would be a dull world without them.

A lunatic is just a minority of one.

Every reform, however necessary, will by weak minds be carried to an excess, that itself will need reforming.

All my extreme movements, all of them, are allied with madness.

There is a tyrannical element in all fanaticism, an element which makes opposition a torment.

You sometimes find something good in the lunatic fringe. In fact, we have got as part of our social and economic government today a whole lot of things which in my boyhood were considered lunatic fringe, and yet they are now part of everyday life.

Perhaps a lunatic was simply a minority of one.

And history has proven repeatedly that lunatics will rise to power again and again on tidal waves of aggressive nationalism and intolerance, even in places where it seems utterly incomprehensible.

...the lunatic fringe group called Neturei Karta, whose total world membership is about 10...

Scratch a liberal, and you will find a fascist every time.