Nature is trying very hard to make us succeed, but nature does not depend on us. We are not the only experiment.

We are prisoners of our own metaphors, metaphorically speaking.

Specialization breeds biases that ultimately aggregate as international and ideological discord, which, in turn, leads to war.

Technology paces industry, but there's a long lag in the process.

Wealth is the product of energy times intelligence: energy turned into artifacts that advantage human life.

It is essential that anyone reading this book know at the outset that the author is apolitical. I was convinced in 1927 that humanity's most fundamental survival problems could never be solved by politics.

The end move in politics is always to pick up a gun.