Carl Sagan Quotes

Once upon a time, the best minds of the human species believed that the planets were attached to crystal spheres. ...Both in classic and in medieval times, it was prominently speculated that gods or angels propelled them, gave them a twirl every now and then. The Newtonian gravitational superstructure replaced angels with GMm/r
Carl Sagan
Carl Sagan

Quotes to Explore

This site uses cookies. By continuing to use this website, you agree to our policies regarding the use of cookies.