"If a majority in every civilized country so desired, we could, within twenty years, abolish all abject poverty, quite half the illness in the world, the whole economic slavery which binds down nine te…"

"It seems on the whole fair to regard Negroes as on the average inferior to white men, although for work in the tropics they are indispensable, so that their extermination (apart from the question of h…"

"I consider myself a rationalist, which is a very different thing from being a rationalist."

"It is a platitude that a man cannot be happy unless he is healthy."

"Men fear thought as they fear nothing else on earth — more than ruin, more than death."