It Is A Mistake To Think Of

The Private Motives Of Scientists Are Not The Trend Of Science. The Trend Of Science Is Made By The Needs Of Society: Navigation Before The Eighteenth Century, Manufacture Thereafter; And In Our Age I Believe The Liberation Of Personality. Whatever The Part Which Scientists Like To Act, Or For That Matter Which Painters Like To Dress, Science Shares The Aims Of Our Society Just As Art Does.

We Are All Afraid For Our Confidence, For The Future, For The World. That Is The Nature Of The Human Imagination. Yet Every Man, Every Civilization, Has Gone Forward Because Of Its Engagement With What It Has Set Itself To Do.

The Preoccupation With The Choice Of A Mate Both By Male And Female I Regard As A Continuing Echo Of The Major Selective Force By Which We Have Evolved.

Man Masters Nature Not By Force, But By Understanding

Revolutions Are Not Made By Fate But By Men.