The three parts of the theory are analytical ability, the ability to analyze things to judge, to criticize. Creative, the ability to create, to invent and discover and practical, the ability to apply and use what you know.
Robert Sternberg

The ultimate creative capacity of the brain may be, for all practical purposes, infinite.
George Leonard

The universal medicine for the Soul is the Supreme Reason and Absolute Justice; for the mind, mathematical and practical Truth; for the body, the Quintessence, a combination of light and gold.
Albert Pike

The whole aim of practical politics is to keep the populace alarmed (and hence clamorous to be led to safety) by menacing it with an endless series of hobgoblins, all of them imaginary.
H. L. Mencken

The word liberal distinguishes whatever nourishes the mind and spirit from the training which is merely practical or professional or from the trivialities which are no training at all.
Alan K. Simpson

Theoretical principals must sometimes give way for the sake of practical advantages.
William Pitt

There are certain queer times and occasions in this strange mixed affair we call life when a man takes his whole universe for a vast practical joke.
Herman Melville

There are practical little things in housekeeping which no man really understands.
Eleanor Roosevelt

There are very important and practical issues raised by following this alternative route which says, let's look to material conditions, to the systems of production, to the needs that human beings have, and to competing alternative solutions to the satisfaction of those needs.
Marvin Harris

There is no sea more dangerous than the ocean of practical politics none in which there is more need of good pilotage and of a single, unfaltering purpose when the waves rise high.
Thomas Huxley

There is the greatest practical benefit in making a few failures early in life.
Thomas Huxley

There may be the kinds of things that you may find interesting, but then there's also the practical reality of needing to make a living and this is what you have to choose from.
Jeffrey Jones

There's a practical problem about time and energy, and a more subtle problem of what it does to a writer's head, to continually analyze why they write, where it all comes from, where it's going to.
Kazuo Ishiguro

This ceremony and the intellectual aura associated with the Nobel Prizes have grown from the wisdom of a practical chemist who wrote a remarkable will.
Stanford Moore

Thus the same object may supply a practical perception to one person and a speculative one to another, or the same person may perceive it partly practically and partly speculatively.
Samuel Alexander

True education is concerned not only with practical goals but also with values. Our aims assure us of our material life, our values make possible our spiritual life.
Ludwig Mies van der Rohe

Until the building of Solomon's temple the unity of worship according to it had, properly speaking, never had any existence; and, moreover, it is easy to read between the lines that even after that date it was more a pious wish than a practical demand.
Julius Wellhausen

We must also win really sufficient and, above all, practical, guarantees for the freedom of the seas and for the further fulfilment of our economic and political tasks throughout the world.
Bernhard von Bulow

We need to tap the resource of current and retiring science and math professionals that have both content mastery and the practical experience to serve as effective teachers.
Cathy McMorris

We obviously want to produce things that people want. We are going to continue to do that in an environmentally responsible way, while still being aware of the physical, scientific, and practical issues that we have to deal with.
Lee R. Raymond