The Only Source Of Knowledge Is Experience.

In Every True Searcher Of Nature There Is A Kind Of Religious Reverence, For He Finds It Impossible To Imagine That He Is The First To Have Thought Out The Exceedingly Delicate Threads That Connect His Perceptions

All That Is Valuable In Human Society Depends Upon The Opportunity For Development Accorded The Individual.

How Was I Able To Live Alone Before, My Little Everything? Without You I Lack Self-confidence, Passion For Work, And Enjoyment Of Life--in Short, Without You, My Life Is No Life. [written To His Wife, Mileva]

Creating A New Theory Is Not Like Destroying An Old Barn And Erecting A Skyscraper In Its Place. It Is Rather Like Climbing A Mountain, Gaining New And Wider Views, Discovering Unexpected Connections Between Our Starting Points And Its Rich Environment. But The Point From Which We Started Out Still Exists And Can Be Seen, Although It Appears Smaller And Forms A Tiny Part Of Our Broad View Gained By The Mastery Of The Obstacles On Our Adventurous Way Up.

A Desk, Some Pads, A Pencil, And A Large Basket -- To Hold All Of Mu Mistakes.