Imagination Is More Important Than Knowledge.

I Believe In Intuition And Inspiration. Imagination Is More Important Than Knowledge. For Knowledge Is Limited, Whereas Imagination Embraces The Entire World, Stimulating Progress, Giving Birth To Evolution. It Is, Strictly Speaking, A Real Factor In Scientific Research.

On The Left-hand Side Of The Field Equation We May Add The Fundamental Tensor Guv, Multiplied By A Universal Constant, -λ, At Present Unknown, Without Destroying The General Covariance.

You Ask Me If I Keep A Notebook To Record My Great Ideas. I've Only Ever Had One.

Qualities I Sought In A Scientific Theory Were Naturalness, Inner Perfection And Logical Simplicity From An Aesthetic Approach.

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