There Is No Fundamental Difference Between Humans

And Hail Their Queen, Fair Regent Of The Night.

As Buds Give Rise By Growth To Fresh Buds, And These, If Vigorous, Branch Out And Overtop On All Sides Many A Feebler Branch, So By Generation I Believe It Has Been With The Great Tree Of Life, Which Fills With Its Dead And Broken Branches The Crust Of The Earth, And Covers The Surface With Its Ever Branching And Beautiful Ramifications.

Multiply, Vary, Let The Strongest Live And The Weakest Die.

From My Early Youth I Have Had The Strongest Desire To Understand Or Explain Whatever I Observed. ... To Group All Facts Under Some General Laws.

We Cannot Fathom The Marvelous Complexity Of An Organic Being; But On The Hypothesis Here Advanced This Complexity Is Much Increased. Each Living Creature Must Be Looked At As A Microcosm--a Little Universe, Formed Of A Host Of Self-propagating Organisms, Inconceivably Minute And As Numerous As The Stars In Heaven.