Berlin is the place to which I am most closely bound by human and scientific ties.

Somebody who only reads newspapers and at best books of contemporary authors looks to me like an extremely near-sighted person who scorns eyeglasses. He is completely dependent on the prejudices and fashions of his times, since he never gets to see or hear anything else.

Even if only 2 percent of those assigned to perform military service should announce their refusal to fight, governments would be powerless, they would not dare send such a large number of people to jail.

...Intelligence and character of the masses are incomparably lower than the intelligence and character of the few who produce something valuable for the community.

It almost seems to me that man was not born to be a carnivore.

I have always eaten animal flesh with a somewhat guilty conscience.

The environment is everything that isn't me.