Has there ever been a religion with the prophetic accuracy and reliability of science? . . . No other human institution comes close.

The prediction I can make with the highest confidence is that the most amazing discoveries will be the ones we are not today wise enough to foresee.

Whenever our ethnic or national prejudices are aroused, in times of scarcity, during challenges to national self esteem or nerve, when we agonize about our diminished cosmic place and purpose, or when fanaticism is bubbling up around us - then, habits of thought familiar from ages past reach for the controls.

UFOs: The reliable cases are uninteresting and in the interesting cases are unreliable.

The sky calls to us. If we do not destroy ourselves, we will one day venture to the stars.

The passion to explore is at the heart of being human.

In many cultures it is customary to answer that God created the universe out of nothing. But this is mere temporizing. If we wish courageously to pursue the question, we must, of course ask next where God comes from? And if we decide this to be unanswerable, why not save a step and conclude that the universe has always existed?