"Indeed, in many cases, maliciousness and stupidity will put many obstacles in the road of the new idea. That is the reason why hard struggles must be fought for unconditional mutual tolerance, until it is finally achieved. Only from then on will everything proceed automatically, science will bloom and advance, because the necessary foundation for every progress, namely experimental freedom and free research have been achieved."
— Max Nettlau,
Prolific historian (1865 ‐ 1944)
Historian and prolific writer on anarchism