If we are to survive, our loyalties must be broadened further, to include the whole human community, the entire planet Earth.
Carl SaganFor a long time the human instinct to understand was thwarted by facile religious explanations.
Carl SaganWho 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 SaganWe've begun at last to wonder about our origins, star stuff contemplating the stars, organized collections of ten billion billion billion atoms contemplating the evolution of matter, tracing that long path by which it arrived at consciousness here on the planet Earth and perhaps throughout the cosmos. Our obligation to survive and flourish is owed not just to ourselves but also to that cosmos, ancient and vast, from which we spring.
Carl Sagan