#concepts

Time is a slippery concept.

From A Short History of Nearly Everything by Bill Bryson

Understanding consciousness may require new concepts beyond physical explanations.

From The Conscious Mind by David Chalmers

The bias-variance tradeoff is a central concept in machine learning.

From The Hundred-Page Machine Learning Book by Andriy Burkov

We cannot treat mental concepts as if they were physical objects.

From The Concept of Mind by Gilbert Ryle

The sacred is not a thing or a concept; it is an experience.

From The Case for God by Karen Armstrong