I Can Remember The Very Spot In

There Is No Fundamental Difference Between Man And The Higher Mammals In Their Mental Faculties...the Difference In Mind Between Man And The Higher Animals, Great As It Is, Certainly Is One Of Degree And Not Of Kind.

I Always Feel As If My Books Came Half Out Of Lyell's Brain... & Therefore That When Seeing A Thing Never Seen By Lyell, One Yet Saw It Partially Through His Eyes.

For I Am Well Aware That Scarcely A Single Point Is Discussed In This Volume On Which Facts Cannot Be Adduced, Often Apparently Leading To Conclusions Directly Opposite To Those At Which I Have Arrived. A Fair Result Can Be Obtained Only By Fully Stating And Balancing The Facts And Arguments On Both Sides Of Each Question.

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.

Even The Humblest Mammal's Strong Sexual, Parental, And Social Instincts Give Rise To 'do Unto Others As Yourself' And 'love Thy Neighbor As Thyself'.