Humor Was The Enemy Of Desire.

Open The Pod Bay Doors, Hal.

All Explorers Are Seeking Something They Have Lost. It Is Seldom That They Find It, And More Seldom Still That The Attainment Brings Them Greater Happiness Than The Quest.

... Chemistry Is A Trade For People Without Enough Imagination To Be Physicists.

The Exploration Of The Planets Is Now Closer To Us In Time Than The Exploration Of Africa By Stanley And Livingstone.

The Greatest Tragedy In Mankind's Entire History May Be The Hijacking Of Morality By Religion.