A stars rich in europium; of distant galaxies analyzed through the collective light of a hundred billion constituent stars. Astronomical spectroscopy is an almost magical technique. It amazes me still. Auguste Comte picked a particularly unfortunate example.
Carl SaganIt is the tension between creativity and skepticism that has produced the stunning and unexpected findings of science.
Carl SaganHuman beings have a demonstrated talent for self-deception when their emotions are stirred.
Carl Sagan