Scientists, like professional golfers and piano players, should sometimes concentrate upon a task until they can perform it with professional skill.
Differential Equations, Chapter 1, Problem 1.49 (p. 16), McGraw-Hill Book Company, Inc. 1972
Scientists, like professional golfers and piano players, should sometimes concentrate upon a task until they can perform it with professional skill.
Differential Equations, Chapter 1, Problem 1.49 (p. 16), McGraw-Hill Book Company, Inc. 1972