Carl Sagan

“The cosmos is all that is or ever was or ever will be.”

English

“We are a way for the cosmos to know itself.”

English

“Every one of us is, in the cosmic perspective, precious. If a human disagrees with you, let him live. In a hundred billion galaxies, you will not find another.”

English

“The nitrogen in our DNA, the calcium in our teeth, the iron in our blood, the carbon in our apple pies were made in the interiors of collapsing stars. We are made of starstuff.”

English

“For small creatures such as we the vastness is bearable only through love.”

English