The enormous usefulness of mathematics in the natural sciences is something bordering on the mysterious.
The Unreasonable Effectiveness of Mathematics, Communications in Pure and Applied Mathematics 13 (1960)
... mathematics is the science of skillful operations with concepts and rules invented just for this purpose.
The Unreasonable Effectiveness of Mathematics, Communications in Pure and Applied Mathematics 13 (1960)
The miracle of the appropriateness of the language of mathematics for the formulation of the laws of physics is a wonderful gift, which we neither understand nor deserve.
The Unreasonable Effectiveness of Mathematics, Communications in Pure and Applied Mathematics 13 (1960)