Boasts Are Wind And Deeds Are Hard.

It's Humbling To Think That All Animals, Including Human Beings, Are Parasites Of The Plant World.

Man's Greatest Asset Is The Unsettled Mind.

Science Can Be Introduced To Children Well Or Poorly. If Poorly, Children Can Be Turned Away From Science; They Can Develop A Lifelong Antipathy; They Will Be In A Far Worse Condition Than If They Had Never Been Introduced To Science At All.

Dreams May Be Impossible, Yet Still Be Dreamed.

The Three Laws Of Robotics: 1: A Robot May Not Injure A Human Being Or, Through Inaction, Allow A Human Being To Come To Harm; 2: A Robot Must Obey The Orders Given It By Human Beings Except Where Such Orders Would Conflict With The First Law; 3: A Robot Must Protect Its Own Existence As Long As Such Protection Does Not Conflict With The First Or Second Law; The Zeroth Law: A Robot May Not Harm Humanity, Or, By Inaction, Allow Humanity To Come To Harm.