It Is Scarcely Possible To Doubt That

It May Be Doubted Whether Any Character Can Be Named Which Is Distinctive Of A Race And Is Constant.

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.

Ignorance More Frequently Begets Confidence Than Does Knowledge: It Is Those Who Know Little, And Not Those Who Know Much, Who So Positively Assert That This Or That Problem Will Never Be Solved By Science.

Mathematics Seems To Endow One With Something Like A New Sense.

Light May Be Shed On Man And His Origins.