Carl Sagan Quotes: Not all birds can fly. What separates the flyers from the walkers is the ability to take off. ...

Not all birds can fly. What separates the flyers from the walkers is the ability to take off. (Carl Sagan)

Carl Sagan Quotes Pictures

Carl Sagan Quotes: Not all birds can fly. What separates the flyers from the walkers is the ability to take off.

Carl Sagan Quotes: Not all birds can fly. What separates the flyers from the walkers is the ability to take off.

Carl Sagan Quotes: Not all birds can fly. What separates the flyers from the walkers is the ability to take off.

Carl Sagan Quotes: Not all birds can fly. What separates the flyers from the walkers is the ability to take off.

Carl Sagan Quotes: Not all birds can fly. What separates the flyers from the walkers is the ability to take off.

Carl Sagan Quotes: Not all birds can fly. What separates the flyers from the walkers is the ability to take off.

Carl Sagan Quotes: Not all birds can fly. What separates the flyers from the walkers is the ability to take off.

Carl Sagan Quotes: Not all birds can fly. What separates the flyers from the walkers is the ability to take off.

Carl Sagan Quotes: Not all birds can fly. What separates the flyers from the walkers is the ability to take off.

Carl Sagan Quotes: Not all birds can fly. What separates the flyers from the walkers is the ability to take off.

Carl Sagan Quotes: Not all birds can fly. What separates the flyers from the walkers is the ability to take off.

Carl Sagan Quotes: Not all birds can fly. What separates the flyers from the walkers is the ability to take off.

Carl Sagan Quotes: Not all birds can fly. What separates the flyers from the walkers is the ability to take off.

Carl Sagan Quotes: Not all birds can fly. What separates the flyers from the walkers is the ability to take off.

Carl Sagan Quotes: Not all birds can fly. What separates the flyers from the walkers is the ability to take off.