If you are out to describe the truth, leave elegance to the tailor.

Science is a wonderful thing if one does not have to earn one's living at it.

To raise new questions, new possibilities, to regard old problems from a new angle, requires creative imagination and marks real advance in science.

Science is the century-old endeavour to bring together... perceptible phenomena... through systematic thought.

The most beautiful experience we can have is the mysterious. It is the source of all true art and science.

Most of the fundamental ideas of science are essentially simple, and may, as a rule, be expressed in a language comprehensible to everyone.