Now this principle of induction cannot be a purely logical truth like a tautology or an analytic statement. . . .

It is not possible to write clearly enough to avoid being misrepresented by people who are sufficiently determined to do so.

There is no history of mankind, there are only many histories of all kinds of aspects of human life. And one of these is the history of political power. This is elevated into the history of the world.

While differing widely in the various little bits we know, in our infinite ignorance we are all equal.

All we can do is search for the falsity content in our best theory.

Every discovery contains an irrational element or a creative intuition.

It can't happen here is always wrong: a dictatorship can happen anywhere.