Wisdom Sets Bounds Even To Knowledge.

I Can Tell By My Own Reaction To It That This Book Is Harmful." But Let Him Only Wait And Perhaps One Day He Will Admit To Himself That This Same Book Has Done Him A Great Service By Bringing Out The Hidden Sickness Of His Heart And Making It Visible.— Altered Opinions Do Not Alter A Man’s Character (or Do So Very Little); But They Do Illuminate Individual Aspects Of The Constellation Of His Personality Which With A Different Constellation Of Opinions Had Hitherto Remained Dark And Unrecognizable.

The Best Weapon Against An Enemy Is Another Enemy.

Man Makes God In His Own Image.

A Friend Should Be A Master At Guessing And Keeping Still: You Must Not Want To See Everything.

Different Types Of Dangerous Lives-you Have No Idea What You Are Living Through; You Rush Through Life As If You Were Drunk And Now And Then Fall Down Some Staircase. But Thanks To Your Drunkenness You Never Break A Limb; Your Muscles Are Too Relaxed And Your Brain Too Benighted For You To Find The Stones Of These Stairs As Hard As We Do.