The Man Who Walks With

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.

It Occurred To Me, In 1837, That Something Might Perhaps Be Made Of This Question (the Origin Of The Species) By Patiently Accumulating And Reflecting On All Sorts Of Facts Which Could Possibly Have Any Bearing On It

...one Doubts Existence Of Free Will [because] Every Action Determined By Heredity, Constitution, Example Of Others Or Teaching Of Others." "this View Should Teach One Profound Humility, One Deserves No Credit For Anything...nor Ought One To Blame Others.

A Man's Friendships Are One Of The Best Measures Of His Worth.

... Probably All The Organic Beings Which Have Ever Lived On This Earth Have Descended From Some One Primordial Form, Into Which Life Was First Breathed.