Categories Quote by Saunders Mac Lane

I'm not comfortable with categories, and I distrust most definitions. The word 'definition' is based on the word 'finite,' which would seem to indicate…

— Artie Shaw

The idea is to be unrestrained by categories.

— Kurt Elling

We'll only use as much category theory as is necessary. Famous last words...

— Roman Abramovich

“The language of categories is affectionately known as "abstract nonsense," so named by Norman Steenrod. This term is essentially accurate and not necessarily derogatory:…

— Paolo Aluffi

“From time immemorial, some men supposed to deal in one-valued 'eternal verities'. We called such men 'philosophers' or 'meta-physicians'. But they seldom realized that…

— Alfred Korzybski

The object of mathematical rigor is to sanction and legitimize the conquests of intuition, and there was never any other object for it.

— Jacques Hadamard

It follows from what we have just said, that the natural changes of monads come from an internal principle, since an external cause would…

— Gottfried Leibniz

An allegory is not meant to be taken literally. There is a great lack of comprehension on the part of some readers.

— Naguib Mahfouz

Semantics, or the study of meaning, remained undeveloped, while phonetics made rapid progress and even came to occupy the central place in the scientific…

— Roman Jakobson

Each new ontological theory, propounded in lieu of previous ones shown to be untenable, has been followed by a new criticism leading to a…

— Herbert Spencer

God created, Linnaeus ordered.

— Sten Lindroth

We live in a society that compels us to go on using these concepts, and we no longer know what they mean.

— Michelangelo Antonioni