There was emptiness more profound than the void between the stars, for which there was no here and there and before and after, and yet out of that void the entire plenum of existence sprang forth.

Science is not the enemy of humanity but one of the deepest expressions of the human desire to realize that vision of infinite knowledge. Science shows us that the visible world is neither matter nor spirit; the visible world is the invisible organization of energy.

The visible world is the invisible organization of energy.

The world changed from having the determinism of a clock to having the contingency of a pinball machine.

The capacity to tolerate complexity and welcome contradiction, not the need for simplicity and certainty, is the attribute of an explorer. Centuries ago, when some people suspended their search for absolute truth and began instead to ask how things worked, modern science was born. Curiously, it was by abandoning the search for absolute truth that science began to make progress, opening the material universe to human exploration.

Science cannot resolve moral conflicts, but it can help to more accurately frame the debates about those conflicts.

Our capacity for fulfillment can come only through faith and feelings. But our capacity for survival must come from reason and knowledge.