392 Quotes About Theory

Poincaré was a vigorous opponent of the theory that all mathematics can be rewritten in terms of the most elementary notions of classical logic; something more than logic, he believed, makes mathematics what it is.

… Fourier's great mathematical poem ...{Referring to Joseph Fourier's mathematical theory of the conduction of heat, one of the precursors to thermodynamics.}

A mere inference or theory must give way to a truth revealed; but a scientific truth must be maintained, however contradictory it may appear to the most cherished doctrines of religion.

When you consider time and change, you realize that a people does not originate when individuals merge into a bigger thing. Instead, a people arises when many actions and movements combine into novel patterns of change. For a people is always in the making or unmaking.

Before going back to college, i knew i didn't want to be an intellectual, spending my life in books and libraries without knowing what the hell is going on in the streets. Theory without practice is just as incomplete as practice without theory. The two have to go together.

Any physical theory is always provisional, in the sense that it is only a hypothesis: you can never prove it. No matter how many times the results of experiments agree with some theory, you can never be sure that the next time the result will not contradict the theory.

I will repeat the following until I am hoarse: it is contagion that determines the fate of a theory in social science, not its validity.

Crime brings together honest men and concentrates them.

أكمل الدكتور حكيم كلامه فقال: "من أكثر تعريفات النجاح إقناعاً من وجهة نظري هو: "الوصول لأي هدف ، بعد السعي إليه" ..إن هذا التعريف يلقي الضوء على أهم عناصر النجاح:أولاً ، السعي نحو الهدف ..ثانياً: الوصول إليه و تحقيقه.