13 Quotes by Oliver Heaviside

Mathematics is an experimental science, and definitions do not come first, but later on.

Logic can be patient, for it is eternal.

If it is love that makes the world go round, it is self-induction that makes electromagnetic waves go round the world.

Mathematics is of two kinds, Rigorous and Physical. The former is Narrow: the latter Bold and Broad. To have to stop to formulate rigorous demonstrations would put a stop to most physico-mathematical inquiries. Am I to refuse to eat because I do not fully understand the mechanism of digestion?

The best result of mathematics is to be able to do without it.

Theory is the essence of facts. Without theory scientific knowledge would be only worthy of the madhouse.

Criticized for using formal mathematical manipulations, without understanding how they worked: Should I refuse a good dinner simply because I do not understand the process of digestion?

Euclid for children is barbarous.

Why should I refuse a good dinner simply because I don’t understand the digestive processes involved?