Science
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The simplest schoolboy is not familiar with truths for which Archimedes would have sacrificed this life. - Ernest Renan

Science belongs to no one country. - Louis Pasteur

Intuition is the source of scientific knowledge. - Aristotle

I never did anything worth doing by accident, nor did any of my inventions come by accident; they came by work. - Thomas Alva Edison

Anatomy is destiny. - Sigmund Freud

You are not thinking. You are merely being logical. - Neils Bohr to Albert Einstein

The great tragedy of Science -- the slaying of a beautiful hypothesis by an ugly fact. - Thomas Henry Huxley

No problem can stand the assault of sustained thinking.  - Voltaire

A problem well stated is a problem half-solved.  - Charles F. Kettering

The universe is full of magical things, patiently waiting for our wits to grow sharper. - Eden Phillpotts

Science has promised us truth. It has never promised us either peace or happiness. - Gustave Le Bon

There is a single light of science, and to brighten it anywhere is to brighten it everywhere. - Isaac Asimov

Take away number in all things and all things perish. Take calculation from the world and all is enveloped in dark ignorance, nor can he who does not know the way to reckon be distinguished from the rest of the animals. (from JAMA 2005;293:777 and referenced to: Crosby AW. The Measure of Reality: Quantification and Western Society, 1250-1600. Cambridge, United Kingdom: Cambridge University Press; 1988) - Isidore of Seville

The boundaries of science have expanded in recent decades in a rather interesting way. Emotion, consciousness, human nature itself, have become legitimate topics for the biological sciences. And these subjects of course are of central interest to the novelist. This invasion of our territory ought to be fruitful. - Ian McEwan

If I have seen a little farther it is by standing on the shoulders of Giants. (paraphrasing of Bernard of Chartres) - Sir Isaac Newton

In reality, those who repudiate a theory that they had once proposed, or a theory that they had accepted enthusiastically and with which they had identified themselves, are very rare. The great majority of them shut their ears so as not to hear the crying facts, and shut their eyes so as not to see the glaring facts, in order to remain faithful to their theories in spite of all and everything. - Maurice Arthus

An expert is a man who had made all the mistakes which can be made in a very narrow field. - Neils Bohr

In questions of science, the authority of a thousand is not worth the humble reasoning of a single individual. - Galileo Galilei