The suppression of uncomfortable ideas may be common in religion or in politics, but it is not the path to knowledge, and there's no place for it in the endeavor of science. We do not know beforehand where fundamental insights will arise from about our mysterious and lovely solar system. The history of our study of our solar system shows us clearly that accepted and conventional ideas are often wrong, and that fundamental insights can arise from the most unexpected sources.
Carl SaganThere are lots of ways to communicate what we know, but few ways to communicate what we feel. Music is one way to communicate emotions.
Carl SaganOne glance at a book and you hear the voice of another person, perhaps someone dead for 1,000 years. To read is to voyage through time.
Carl SaganBut I try not to think with my gut. If I'm serious about understanding the world, thinking with anything besides my brain, as tempting as that might be, is likely to get me into trouble.
Carl Sagan