"The way to find out about our place in the universe is by examining the universe and by examining ourselves - without preconceptions, with as unbiased a mind as we can muster."
"You can get into a habit of thought in which you enjoy making fun of all those other people who don't see things as clearly as you do. We have to guard carefully against it."
"Extraordinary claims require extraordinary evidence."
"We are star stuff harvesting sunlight."
"The truth may be puzzling. It may take some work to grapple with. It may be counterintuitive. It may contradict deeply held prejudices. It may not be consonant with what we desperately want to be true. But our preferences do not determine what's true."
"We can judge our progress by the courage of our questions and the depth of our answers, our willingness to embrace what is true rather than what feels good."