We said, there's another second gone, there's another minute and another hour and another day, when, as a matter of fact the second or the minute or …

- Clifford D. Simak

There is a plan, it seems to me, that reaches out of the electron to the rim of the universe and what this plan may be or how it came about is beyond…

- Clifford D. Simak

Here lies one from a distant star, but the soil is not alien to him, for in death he belongs to the universe.

- Clifford D. Simak

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. Simak

Without consciousness and intelligence, the universe would lack meaning.

- Clifford D. Simak

If the means were available, we could trace our ancestry - yours and mine - back to the first blob of life-like material that came into being on the …

- Clifford D. Simak

Once there had been joy, but now there was only sadness, and it was not, he knew, alone the sadness of an empty house; it was the sadness of all else…

- Clifford D. Simak

I'm just a propagandist and a propagandist doesn't have to know what he is talking about, just so he talks about it most convincingly.

- Clifford D. Simak

Much 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