All Human Activity Is Prompted By Desire.

Conquer The World By Intelligence, And Not Merely By Being Slavishly Subdued By The Terror That Comes From It.

So Far I Have Been Speaking Of Theoretical Science, Which Is An Attempt To Understand The World. Practical Science, Which Is An Attempt To Change The World, Has Been Important From The First, And Has Continually Increased In Importance, Until It Has Almost Ousted Theoretical Science From Men's Thoughts.

A Happy Life Must Be To A Great Extent A Quiet Life, For It Is Only In An Atmosphere Of Quiet That True Joy Dare Live.

Real Life Is, To Most Men, A Long Second Best, A Perpetual Compromise Between The Ideal And The Possible.

The Argument Against The Persecution Of Opinion Does Not Depend Upon What The Excuse For Persecution May Be. The Argument Is That We None Of Us Know All Truth, That The Discovery Of New Truth Is Promoted By Free Discussion And Rendered Very Difficult By Suppression.