Men become superstitious, not because they have too much imagination, but because they are not aware that they have any.

You may substitute knowledge for superstition without satisfying the needs that drive people into superstition's arms.

When you go with first principles, a giant light goes off in what you think is a city and turns out to be an insane asylum.

Fear is the main source of superstition, and one of the main sources of cruelty. To conquer fear is the beginning of wisdom.

... science demands a terrible price - that we accept what experiments tell us about the universe, whether we like it or not.

I am all for curses and superstition, but there's a point at which they start getting in the way. That point had arrived.

The superstitious one will never walk upon a grave. It's said that its sinful in the day and terrible bad luck in the dark.

If there is a god maybe it rewards those who don't believe on the basis of insufficient evidence--and punishes those who do.

When people have invested their identities into clichés, the only counter argument they have is 'being offended'.

The greater the gap between self perception and reality, the more aggression is unleashed on those who point out the discrepancy.

I think that in the discussion of natural problems we ought to begin not with the Scriptures, but with experiments and demonstrations.

I am surrounded by priests who repeat incessantly that their kingdom is not of this world, and yet they lay hands on everything they can get.

It's never pleasant to have one's unquestioning beliefs put in their historical context, as I know from experience, I can assure you.

Life is but a momentary glimpse of the wonder of this astounding universe, and it is sad to see so many dreaming it away on spiritual fantasy.

Humanity has the stars in its future, and that future is too important to be lost under the burden of juvenile folly and ignorant superstition.