Point of view Quote by Dietrich Bonhoeffer

“The abstract and the concrete side of operations are opposites, but you can't have one without the other, if, that is, you want get…

— David Keirsey

“The abstract is no more than an instrument, an organ, to see the concrete clearly.”

— José Ortega y Gasset

“In learning, we draw an abstraction from concrete objects and events. In creating, we make our own concrete objects and events out of the…

— Ayn Rand

“if we do not make the journey from theories and ideals to concrete situations, then the concrete situations will be lost under a smog…

— Robert E. Coleman

“It is always more easy to discover and proclaim general principles than to apply them.”

— Winston Churchill

To abstract is to draw out the essence of a matter.

— Ben Shahn

Psychologically, the teaching of abstractions first is wrong. Indeed, a thorough understanding of the concrete must precede the abstract.

— Morris Kline

General principles are not the less true or important because from their nature they elude immediate observation; they are like the air, which is…

— William Hazlitt

The more clearly a principle is understood by the intellect, the more inexcusable is the neglect to put it into practice.

— Allan Kardec

Everything abstract is ultimately part of the concrete. Everything inanimate finally serves the living. That is why every activity dealing in abstraction stands in…

— Edith Stein

It is easier to take a position in the abstract than when it hits home.

— Dennis Prager

“If principle is only defended when there’s nothing at stake, then it is probably not much of a principle after all.”

— Jeff Flake