"Radio Interview, 26 May 1991 after Soyuz TM-11 landing:"

"Twenty years from now, the disease, 'presenile dimentia' will be understood as well as diabetes is today."

"Science fiction may be defined as that branch of literature which deals with the response of human beings t…"

"The man who started with the notion that the world owed him a living would once more find, as he does now, …"

"I came to philosophy finally phrased as "0.8 is enough". … If I had a way to rate happiness, I think it's a…"

"Ideas, like men, can become dictators. We Americans have so far escaped regimentation by our rulers, but ha…"

"All the elements of the democratic method are means to render voting practically effective and politically …"