[the Human Control Of Atomic

[this] May Prove To Be The Beginning Of Some Embracing Generalization, Which Will Throw Light, Not Only On Radioactive Processes, But On Elements In General And The Periodic Law.... Chemical Homogeneity Is No Longer A Guarantee That Any Supposed Element Is Not A Mixture Of Several Of Different Atomic Weights, Or That Any Atomic Weight Is Not Merely A Mean Number.

[the Blame For The Future 'plight Of Civilization] Must Rest On Scientific Men, Equally With Others, For Being Incapable Of Accepting The Responsibility For The Profound Social Upheavals Which Their Own Work Primarily Has Brought About In Human Relationships.

The History Of Man Is Dominated By, And Reflects, The Amount Of Available Energy

On Our Plane Knowledge And Ignorance Are The Immemorial Adversaries.

Some Of The Beliefs And Legends Bequethed To Us By Antquity Are So Universally And Firmly Established That We Have Become Accustomed To Consider Them As Being Almost As Ancient As Humanity Itself. Nevertheless We Are Tempted To Inquire How Far The Fact That Some Of These Beliefs And Legends Have So Many Features In Common Is Due To Chance, And Wether The Similarity Between Them May Not Point To The Exestience Of An Ancient, Totally Unknown And Unsuspected Civilization Of Which All Other Traces Have Disappeared.