It will not be we who reach Alpha Centauri, and the other nearby stars. It will be a species very like us - but with more of our strengths and fewer of our weaknesses.

Any faith that admires truth, that strives to know God, must be brave enough to accommodate the universe.

In science it often happens that scientists say, "You know that's a really good argument; my position is mistaken..."

It's sometimes easier to reject strong evidence than to admit that we've been wrong, this is information about ourselves worth having.

The Apollo pictures of the whole Earth conveyed to multitudes something well known to astronomers: On the scale of the worlds - to say nothing of stars or galaxies - humans are inconsequential, a thin film of life on an obscure and solitary lump of rock and metal

we make our world significant by the courage of our questions and the depth of our answers

If we are not able to ask skeptical questions, to interrogate those who tell us that something is true, to be skeptical of those in authority, then, we are up for grabs for the next charlatan (political or religious) who comes rambling along.