Application Quote by Karl Popper

Formality Thus the absence of all mention of particular things or properties in logic or pure mathematics is a necessary result of the fact…

— Bertrand Russell

Theory without practice is just as incomplete as practice without theory.

— Assata Shakur

The practical man demands an appearance of reality at least. Always dealing in the concrete, he regards mathematical terms not as symbols or thought…

— Tobias Dantzig

All error, not merely verbal, is a strong way of stating that the current truth is incomplete.

— Robert Louis Stevenson

“True complexity can only be understood through history, not by looking at the present state of some seemingly complicated construct.”

— E.M. Foner

I hold that the propositions embodied in natural science are not derived by any definite rule from the data of experience, and that they…

— Michael Polanyi

“To theorize’ means, to see as a whole. The actual is a small part of the whole, or a single aspect of it, which,…

— Michael Oakeshott

Certainly in order to understand the natural world one needs clarity, logic, and the capacity for theory building. But that understanding tends to improve…

— Talal Asad

To arrive at abstraction, it is always necessary to begin with a concrete reality.

— Pablo Picasso

Finally there are simple ideas of which no definition can be given; there are also axioms or postulates, or in a word primary principles,…

— Gottfried Leibniz

A mathematical theory is not to be considered complete until you have made it so clear that you can explain it to the first…

— David Hilbert

Abstraction is an exercise in a pre-assured failure. It is a futile attempt to communicate the non-communicable

— Derek R. Audette