You Can Never Solve A Problem With

No Fairer Destiny Could Be Allotted To Any Physical Theory Than That It Should Of Itself Point Out The Way To The Introduction Of A More Comprehensive Theory, In Which It Lives On As A Limiting Case.

Good Acts Are Like Good Poems. One May Easily Get Their Drift, But They Are Not Rationally Understood.

The State Exists For Man, Not Man For The State. The Same May Be Said Of Science. These Are Old Phrases, Coined By People Who Saw In Human Individuality The Highest Human Value. I Would Hesitate To Repeat Them, Were It Not For The Ever Recurring Danger That They May Be Forgotten, Especially In These Days Of Organization And Stereotypes.

The Only Sure Way To Avoid Making Mistakes Is To Have No New Ideas.

Learn From Yesterday, Live For Today, Hope For Tomorrow. The Important Thing Is Not To Stop Questioning.