The Most Powerful Natural Species Are Those

An Agnostic Would Be The More Correct Description Of My State Of Mind.

He Who Is Not Content To Look, Like A Savage, At The Phenomena Of Nature As Disconnected, Cannot Any Longer Believe That Man Is The Work Of A Separate Act Of Creation ... Man Is The Co-descendant With Other Mammals Of A Common Progenitor.

One Hand Has Surely Worked Throughout The Universe.

It Is Absurd To Talk Of One Animal Being Higher Than Another...we Consider Those, Where The Intellectual Faculties Most Developed As The Highest. - A Bee Doubtless Would [use] ... Instincts As A Criteria.

I Have Been Speculating Last Night What Makes A Man A Discoverer Of Undiscovered Things. As Far As I Can Conjecture The Art Consists In Habitually Searching For The Causes And Meaning Of Everything Which Occurs.