Vanity Is A Motive Of Immense Potency.

Science Is What We Know, And Philosophy Is What We Don't Know.

There Is As Much Difference Between A Collection Of Mentally Free Citizens And A Community Molded By Modern Methods Of Propaganda As There Is Between A Heap Of Raw Materials And A Battleship.

I Suggest To Young Professors That Their First Work Should Be Written In A Jargon Only To Be Understood By The Erudite Few. With That Behind Them, They Can Ever After Say What They Have To Say In A Language 'understand Of The People.'

My Own Belief Is That In Most Ages And In Most Places Obscure Psychological Forces Led Men To Adopt Systems Involving Quite Unnecessary Cruelty, And That This Is Still The Case Among The Most Civilized Races At The Present Day.

Envy ... Is One Form Of A Vice, Partly Moral, Partly Intellectual, Which Consists In Seeing Things Never In Themselves But Only In Their Relations.