Quote by Keith J. Devlin

Arithmetic has a very great and elevating effect, compelling the soul to reason about abstract number, and rebelling against the introduction of visible or…

— Plato

“The 'economy of number' proposed by Peano is an economy of signs whose paradigm is algebraic, whose transparency is consensual, and whose operational effectiveness…

— Alain Badiou

“Only in the world of mathematics do two negatives multiply into a positive.”

— Abby Morel

Some of the greatest advances in mathematics have been due to the invention of symbols, which it afterwards became necessary to explain; from the…

— Aldous Huxley

Arithmetic is where numbers fly like pigeons in and out of your head.

— Carl Sandburg

“Having described the basic methods of Hindu-Arabic arithmetic in the first seven chapters, Leonardo devoted most of the remainder of the book to practical…

— Keith J. Devlin

“If the theory of numbers could be employed for any practical and obviously honourable purpose, if it could be turned directly to the furtherance…

— G.H. Hardy

The mathematical phenomenon always develops out of simple arithmetic, so useful in everyday life, out of numbers, those weapons of the gods: the gods…

— Le Corbusier

There is a negative proof of the value of Latin: No one seems to boast of not knowing it.

— Peter Brodie

Arithmetic is numbers you squeeze from your head to your hand to your pencil to your paper till you get the answer.

— Carl Sandburg

“He told me that in 1886 he had invented an original system of numbering and that in a very few days he had gone…

— Jorge Luis Borges

The human brain finds it extremely hard to cope with a new level of abstraction. This is why it was well into the eighteenth…

— Keith Devlin