When dealing with people, let us remember we are not dealing with creatures of logic. We are dealing with creatures of emotion, creatures bristling with prejudices and motivated by pride and vanity.
How to Win Friends and Influence People
No human research can be called true science unless it can be mathematically proved.
Leonardo da Vinci
The Notebooks of Leonardo da Vinci
Pure mathematics is, in its way, the poetry of logical ideas. One seeks the most general ideas of operation which will bring together in simple, logical and unified form the largest possible circle of formal relationships. In this effort toward logical beauty spiritual formulas are discovered necessary for the deeper penetration into the laws of nature.
Obituary for Emmy Noether
Innovation is not the product of logical thought, even though the final product is tied to a logical structure.
The logic now in use serves rather to fix and give stability to the errors which have their foundation in commonly received notions than to help the search for truth. So it does more harm than good.
Do not go by revelation;
Do not go by tradition;
Do not go by hearsay;
Do not go on the authority of sacred texts;
Do not go on the grounds of pure logic;
Do not go by a view that seems rational;
Do not go by reflecting on mere appearances;
Do not go along with a considered view because you agree with it;
Do not go along on the grounds that the person is competent;
Do not go along because "the recluse is our teacher."
Nothing can be accomplished by logic and ethics.
Mathematics expresses values that reflect the cosmos, including orderliness, balance, harmony, logic, and abstract beauty.
Logic takes care of itself; all we have to do is to look and see how it does it.
The existence of God is not logically necessary, and yet, on the basis of some
profound peculiar empirical order in the universe, it seems that He exists as the
ultimate uncreated Being, implying a paradox, as no logically unnecessary entity
can be uncreated. This paradox is the ultimate question asked by God, who is
nothing but the ultimate questioner.
At one time, many philosophers held that faultless "laws of thought" were somehow inherent, a priori, in the very nature of mind. This belief was twice shaken in the past century; first when Russell and his successors showed how the logic men employ can be defective, and later when Freud and Piaget started to reveal the tortuous ways in which our minds actually develop.
My life isnít theories and formulae. Itís part instinct, part common sense. Logic is as good a word as any, and Iíve absorbed what logic I have from everything and everyoneÖ from my mother, from training as a ballet dancer, from Vogue magazine, from the laws of life and health and nature.
Martin Luther King
Leonardo da Vinci
Ralph Waldo Emerson
The World As I See It
The Restaurant at the End of the Universe
Long Walk to Freedom
How To Stop Worrying And Start Living
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