It Is Impossible To Read In America,

Plato Has Dramatic Strength ... But Is Quite Unaware Of The Strength Of The Argument Against His Position ... And Allows Himself To Be Grossly Unfair In Arguing Against It.

The Pursuit Of Knowledge Is, I Think, Mainly Actuated By Love Of Power. And So Are All Advances In Scientific Technique.

When Benjamin Franklin Invented The Lightning-rod, The Clergy, Both In England And America, With Enthusiastic Support Of George Iii, Condemned It As An Impious Attempt To Defeat The Will Of God.

Never Try To Discourage Thinking, For You Are Sure To Succeed.

To Be Able To Concentrate For A Considerable Time Is Essential To Difficult Achievement.