Our Future: Will it be a Space Age or a Stone Age?

"I think that space flight is a condition of Nature that comes into effect when an intelligent species reaches the saturation point of its planetary habitat combined with a certain level of technological ability... I think it is a built-in gene-directed drive for the spreading of the species and its continuation."

Donald A. Wollheim, The Universe Makers, 1971

Space Quotes to Ponder