Sometimes I think the surest sign that intelligent life exists elsewhere in the universe is that none of it has tried to contact us.

Quoted in Calvin and Hobbes, by Bill Watterson

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Watterson, Bill. Calvin and Hobbes. Comic Strip. 8 Nov. 1989.

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Illustrated Quote

A quote by Bill Watterson about intelligent life: “Sometimes I think the surest sign that intelligent life exists…”

A quote by Bill Watterson about intelligent life: “Sometimes I think the surest sign that intelligent life exists…”

A quote by Bill Watterson about intelligent life: “Sometimes I think the surest sign that intelligent life exists…”