Time is still the great mystery to us. It is no more than a concept; we don't know if it even exists.
Clifford D. SimakMy reluctance to use alien invasion is due to the feeling that we are not likely to be invaded and taken over.
Clifford D. SimakWhen I talk of the purpose of life, I am thinking not only of human life, but of all life on Earth and of the life which must exist upon other planets throughout the universe.
Clifford D. SimakThe chain of life runs smoothly from one generation to the next and none of the links stand out except here and there a link one sees by accident.
Clifford D. SimakI have tried at times to place humans in perspective against the vastness of universal time and space. I have been concerned with where we, as a race, may be going and what may be our purpose in the universal scheme — if we have a purpose. In general, I believe we do, and perhaps an important one.
Clifford D. Simak