No Trilogy Should Have More Than Four

If There Are Any Gods Whose Chief Concern Is Man, They Can't Be Very Important Gods.

As Our Own Species Is In The Process Of Proving, One Cannot Have Superior Science And Inferior Morals. The Combination Is Unstable And Self-destroying.

You Will Find Men Like Him In All Of The World's Religions. They Know That We Represent Reason And Science, And, However Confident They May Be In Their Beliefs, They Fear That We Will Overthrow Their Gods. Not Necessarily Through Any Deliberate Act, But In A Subtler Fashion. Science Can Destroy A Religion By Ignoring It As Well As By Disproving Its Tenets. No One Ever Demonstrated, So Far As I Am Aware, The Nonexistance Of Zeus Or Thor, But They Have Few Followers Now.

Anything That Is Theoretically Possible Will Be Achieved In Practice, No Matter What The Technical Difficulties Are, If It Is Desired Greatly Enough.

Across The Gulf Of Centuries, The Blind Smile Of Homer Is Turned Upon Our Age. Along The Echoing Corridors Of Time, The Roar Of The Rockets Merges Now With The Creak Of The Wind-taut Rigging. For Somewhere In The World Today, Still Unconscious Of His Destiny, Walks The Boy Who Will Be The First Odysseus Of The Age Of Space.