There is a remarkably close parallel between the problems of the physicist and those of the cryptographer. The system on which a message is enciphered corresponds to the laws of the universe, the intercepted messages to the evidence available, the keys for a day or a message to important constants which have to be determined. The correspondence is very close, but the subject matter of cryptography is very easily dealt with by discrete machinery, physics not so easily.
Alan TuringRelated topics
close correspondence cryptographer cryptography day deal evidence machinery matter message parallel physicist physics subject system universe laws messagesRelated quotes
Now a writer can make himself a nice career while he is alive by espousing a political cause, working for it, making a profession of believing in it, and if it wins he will be very well placed. All politics is a matter of working hard without reward, or with a living wage for a time, in the hope of booty later. A man can be a Fascist or a Communist and if his outfit gets in he can get to be an ambassador or have a million copies of his books printed by the Government or any of the other rewards the boys dream about.
Ernest Hemingway
After sleeping through a hundred million centuries we have finally opened our eyes on a sumptuous planet, sparkling with color, bountiful with life. Within decades we must close our eyes again. Isnt it a noble, an enlightened way of spending our brief time in the sun, to work at understanding the universe and how we have come to wake up in it This is how I answer when I am askedas I am surprisingly oftenwhy I bother to get up in the mornings.
Richard Dawkins
No matter how much we may study, it is not possible to come to know God unless we live according to His commandments, for God is not know by science, but by the Holy Spirit. Many philosophers and learned men came to the belief that God exists, but they did not know God. It is one thing to belief that God exists and another to know Him. If someone has come to know God by the Holy Spirit, his soul will burn with love for God day and night, and his soul cannot be bound to any earthly thing.
Silouan the Athonite
No matter how "right” you may be on various points, you must be diplomatic also. The first and important thing is not "rightness” at all, but Christian love and harmony. Most "crazy converts” have been "right” in the criticisms that led to their downfall; but they were lacking in Christian love and charity and so went off the deep end, needlessly alienating people around them and finally finding themselves all alone in their rightness and self-righteousness. Don't you follow them!...
Seraphim Rose
By symmetry we mean the existence of different viewpoints from which the system appears the same. It is only slightly overstating the case to say that physics is the study of symmetry. The first demonstration of the power of this idea may have been by Newton, who may have asked himself the question: What if the matter here in my hand obeys the same laws as that up in the sky-that is, what if space and matter are homogeneous and isotropic?
Philip Warren Anderson
