True science is never speculative it employs hypotheses as suggesting points for inquiry but it never adopts the hypotheses as though they were demonstrated propositions.

I hate facts. I always say the chief end of man is to form general propositions - adding that no general proposition is worth a damn.

Liberalism is an attitude rather than a set of dogmas - an attitude that insists upon questioning all plausible and self-evident propositions seeking not to reject them but to find out what evidence there is to support them rather than their possible alternatives.