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21 " Neoclassical economics has effectively insulated itself from the great advances made in science and engineering over the last 40 years. This self-imposed isolation must come to an end. For while the concepts of neoclassical economics appear difficult, they are actually quaint in comparison to the sophistication evident in today's mathematics, engineering, computing, evolutionary biology and physics. In order to advance, economics must humbly submit to learning from disciplines that it has studiously ignored for so long. Some researchers in outside fields have called for the wholesale replacement of standard economics curricula, using at least the building blocks of modern thought inherent in other disciplines. "
― Steve Keen , Adbusters #84 Pop Nihilism
22 " If you have survived an abuser, and you tried to make things right… If you forgave, and you struggled, and even if the expression of your grief and your anger tumbled out at times in too much rage and too many words… If you spent years hanging on to the concepts of faith, hope, and love, even after you knew in your heart that those intangibles, upon which life is formed and sustained, would fail in the end… And especially, if you stood between your children - or anyone - and him, and took the physical, emotional, and spiritual pummeling in their stead, then you are a hero. "
23 " When we expand our thinking, we expand who we are as human beings: the perspective from which we view the world, and the concepts and values we use to guide our choices. "
24 " The theoretical determination of the fine structure constant is certainly the most important of the unsolved problems of modern physics. We believe that any regression to the ideas of classical physics (as, for instance, to the use of the classical field concept)cannot bring us nearer to this goal. To reach it, we shall, presumably, have to pay with further revolutionary changes of the fundamental concepts of physics with a still farther digression from the concepts of the classical theories. "
― Wolfgang Pauli , Writings on Physics and Philosophy
25 " ...in pure mathematics the mind deal only with its own creations and imaginations. The concepts of number and form have not been derived from any source other than the world of reality. The ten fingers on which men learned to count, that is, to carry out the first arithmetical operation, may be anything else, but they are certainly not only objects that can be counted, but also the ability to exclude all properties of the objects considered other than their number-and this ability is the product of a long historical evolution based on experience. Like the idea of number, so the idea of form is derived exclusively from the external world, and does not arise in the mind as a product of pure thought. "
― Friedrich Engels , Anti-Dühring: Herr Eugen Dühring's Revolution in Science
26 " I also think we need to maintain distinctions - the doctrine of creation is different from a scientific cosmology, and we should resist the temptation, which sometimes scientists give in to, to try to assimilate the concepts of theology to the concepts of science. "
27 " I wanted to make an explicitly educational comic that taught readers the concepts I covered in my introductory programming class. That's what 'Secret Coders' is. It's both a fun story about a group of tweens who discover a secret coding school, and an explanation of some foundational ideas in computer science. "
28 " What you need to learn how to do is analyze situations and do differential diagnoses and understand the principle and the concepts rather than learn all the details, and medical school doesn't begin to do that. "