My reluctance to use alien invasion is due to the feeling that we are not likely to be invaded and taken over.
Clifford D. SimakThis is written in the elder days as the Earth rides close to the rim of eternity, edging nearer to the dying Sun, into which her two inner companions of the solar system have already plunged to a fiery death. The Twilight of the Gods is history; and our planet drifts on and on into that oblivion from which nothing escapes, to which time itself may be dedicated in the final cosmic reckoning.
Clifford D. SimakIt seems to me, thinking of it, that there must be some universal plan which set in motion the orbiting of the electrons about the nucleus and the slower, more majestic orbit of the galaxies about one another to the very edge of space
Clifford D. SimakMuch of what we see in the universe ... starts out as imaginary. Often you must imagine something before you can come to terms with it.
Clifford D. Simak