I maintain there is much more wonder in science than in pseudoscience. And in addition, to whatever measure this term has any meaning, science has the additional virtue, and it is not an inconsiderable one, of being true.

When you make the finding yourself - even if you're the last person on Earth to see the light - you'll never forget it.

For me, it is far better to grasp the Universe as it really is than to persist in delusion, however satisfying and reassuring.

Our posturings, our imagined self-importance, the delusion that we have some privileged position in the universe, are challenged by this point of pale light. Our planet is a lonely speck in the great enveloping cosmic dark.

It is far better to grasp the universe as it really is than to persist in delusion, however satisfying and reassuring.

No other planet in the solar system is a suitable home for human beings; it's this world or nothing. That's a very powerful perception.