I Don't Believe In God But I'm

I Have Great Faith In Optimism As A Guiding Principle, If Only Because It Offers Us The Opportunity Of Creating A Self-fulfilling Prophecy.

We Over Estimate Technology In The Short Term And Under Estimate Technology In The Long Term.

The Time Was Fast Approaching When Earth, Like All Mothers, Must Say Farewell To Her Children.

A Precondition For Being A Science Fiction Writer Other Than An Interest In The Future Is That, An Interest - At Least An Understanding Of Science, Not Necessarily A Science Degree But You Must Have A Feeling For The Science And Its Possibilities And Its Impossibilities, Otherwise You're Writing Fantasy. Now, Fantasy Is Also Fine, But There Is A Distinction, Although No One's Ever Been Able To Say Just Where The Dividing Lines Come.

Civilization Will Reach Maturity Only When It Learns To Value Diversity Of Character And Of Ideas.