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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.

For my part I know nothing with any certainty, but the sight of the stars makes me dream.

How little do we discover in comparison of those things which now are and forever will be hidden from our sight? The whole of which I am fully persuaded no one will ever be able to dive into, and to explain their causes and effects.

That is the exploration that awaits you! Not mapping stars and studying nebula, but charting the unknown possibilities of existence.

The secret story is the one we'll never know, although we're living it from day to day, thinking we're alive, thinking we've got it all under control and the stuff we overlook doesn't matter.

Two hundred or more years ago most people on the planet were never aware of any reality other than the one into which they were brought up.

It is sound judgment to hope that in the not too distant future we shall be competent to understand so simple a thing as a star.

It's an audacious thing to build a model of the cosmos. It's exciting how little we know.

You got to try and reach for the stars or try and achieve the unreachable.

Don't you see what's at stake here? The ultimate aim of all science to penetrate the unknown. Do you realize we know less about the earth we live on than about the stars and the galaxies of outer space? The greatest mystery is right here, right under our feet.