As An Elderly Man, I Have Remained

Certainly There Are Things Worth Believing. I Believe In The Brotherhood Of Man And The Uniqueness Of The Individual. But If You Ask Me To Prove What I Believe, I Can't. You Know Them To Be True But You Could Spend A Whole Lifetime Without Being Able To Prove Them. The Mind Can Proceed Only So Far Upon What It Knows And Can Prove. There Comes A Point Where The Mind Takes A Leap—call It Intuition Or What You Will—and Comes Out Upon A Higher Plane Of Knowledge, But Can Never Prove How It Got There. All Great Discoveries Have Involved Such A Leap.

Incompetence Is The True Crisis.

We Cannot Despair About Mankind Knowing That Mozart Was A Man.

The Number Of Natural Hypothesis That Can Explain Any Given Phenomena Is Infinite.

The Truth Of A Theory Can Never Be Proven, For One Never Knows If Future Experience Will Contradict Its Conclusions.