Recs if you like Orphans of the Sky...

"we left the ground behind. we left the oceans. we left the air. we watched these things grow small. we watched them shrink into a point of light... we are the children who continue on."

science fiction about people living and working on space ships or space stations, in the near or far future.

“from the ground, we stand. from our ships, we live. by the stars, we hope.”

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Science fiction books in english published between 1960 and 1969 (going by when it was published as a book, generally).