Not all birds can fly. What separates the flyers from the walkers is the ability to take off.
Carl SaganOne of the greatest gifts adults can give - to their offspring and to their society - is to read to children.
Carl SaganEvery kid starts out as a natural-born scientist, and then we beat it out of them. A few trickle through the system with their wonder and enthusiasm for science intact.
Carl Sagan