"Anyone who sees and paints a sky green and fields blue ought to be sterilized."

"The doom of a nation can be averted only by a storm of flowing passion, but only those who are passionate themselves can arouse passion in others."

"The greatest danger to our race is the mixing of blood."

"The future of a movement is conditioned by the fanaticism, yes, the intolerance, with which its adherents uphold it as the sole correct movement and push it through in opposition to all other similar …"

"The very first essential for success is to be a restless, indefatigable agitator."