Philosophers and scientists confidently offer up traits said to be uniquely human, and the monkeys and apes casually knock them down -- toppling the pretension that humans constitute some sort of biological aristocracy among the beings on Earth.
Carl SaganProbably a dozen times since their death I've heard my mother or father, in an ordinary conversational tone of voice, call my name. They had called my name often during my life with them ... It doesn't seem strange to me.
Carl SaganI can find in my undergraduate classes, bright students who do not know that the stars rise and set at night, or even that the Sun is a star.
Carl SaganThe notion that science and spirituality are somehow mutually exclusive does a disservice to both.
Carl Sagan