I am strongly drawn to the simple life and am often oppressed by the feeling that I am engrossing an unnecessary amount of the labour of my fellow men. I regard class differences as contrary to justice and, in the last resort, based on force. I also consider that plain living is good for everybody, physically and mentally.

The wireless telegraph is not difficult to understand. The ordinary telegraph is like a very long cat. You pull the tail in New York, and it meows in Los Angeles. The wireless is the same, only without the cat.

The State idea is not according to my heart. I cannot understand why it is needed. It is connected with narrow-minded and economic obstacles. I believe it is bad. I have always been against it.

Once you stop learning, you start dying

Don't listen to their words, fix your attention on their deeds.

Only two things are infinite, the universe and human stupidity, and I'm not sure about the former.

In theory, theory and practice are the same. In practice, they are not.