Who are we, if not measured by our impact on others? Thatโs who we are! Weโre not who we say we are, weโre not who we want to be - we are the sum of the influence and impact that we have, in our lives, on others.
Carl SaganScience cuts two ways, of course; its products can be used for both good and evil. But there's no turning back from science. The early warnings about technological dangers also come from science.
Carl SaganIf 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.
Carl Sagan