All Our Knowledge Is Symbolic.

All Theory, My Friend, Is Grey, But Green Is Life's Glad Golden Tree.

Truth Is Contrary To Our Nature, Not So Error, And This For A Very Simple Reason: Truth Demands That We Should Recognize Ourselves As Limited, Error Flatters Us That, In One Way Or Another, We Are Unlimited.

Only The Heart Without A Stain Knows Ease.

Energy Is The Basis Of Everything. Every Jew, No Matter How Insignificant, Is Engaged In Some Decisive And Immediate Pursuit Of A Goal... It Is The Most Perpetual People Of The Earth.

What Chance Gathers, She Easily Scatters. A Great Person Attracts Great People And Knows How To Hold Them Together.