A man provided with paper, pencil, and rubber, and subject to strict discipline, is in effect a universal machine.
ALAN TURINGMathematical reasoning may be regarded rather schematically as the exercise of a combination of two facilities, which we may call intuition and ingenuity.
More Alan Turing Quotes


No, I’m not interested in developing a powerful brain. All I’m after is just a mediocre brain, something like the President of the American Telephone and Telegraph Company.
ALAN TURING 
Programming is a skill best acquired by practice and example rather than from books.
ALAN TURING 
I’m afraid that the following syllogism may be used by some in the future. Turing believes machines think Turing lies with men Therefore machines do not think Yours in distress, Alan.
ALAN TURING 
Codes are a puzzle. A game, just like any other game.
ALAN TURING 
Sometimes it is the people no one imagines anything of who do the things that no one can imagine.
ALAN TURING 
We can only see a short distance ahead, but we can see plenty there that needs to be done.
ALAN TURING 
A computer would deserve to be called intelligent if it could deceive a human into believing that it was human.
ALAN TURING 
The idea behind digital computers may be explained by saying that these machines are intended to carry out any operations which could be done by a human computer.
ALAN TURING 
No, I’m not interested in developing a powerful brain.
ALAN TURING 
Machines take me by surprise with great frequency.
ALAN TURING 
We may hope that machines will eventually compete with men in all purely intellectual fields.
ALAN TURING 
The original question, ‘Can machines think?’ I believe to be too meaningless to deserve discussion.
ALAN TURING 
Instead of trying to produce a programme to simulate the adult mind, why not rather try to produce one which simulates the child’s? If this were then subjected to an appropriate course of education one would obtain the adult brain.
ALAN TURING 
I believe that at the end of the century the use of words and general educated opinion will have altered so much that one will be able to speak of machines thinking without expecting to be contradicted.
ALAN TURING 
Unless in communicating with it one says exactly what one means, trouble is bound to result.
ALAN TURING 
A very large part of spacetime must be investigated, if reliable results are to be obtained.
ALAN TURING 
We are not interested in the fact that the brain has the consistency of cold porridge.
ALAN TURING 
Mathematical reasoning may be regarded.
ALAN TURING 
These disturbing phenomena [Extra Sensory Perception] seem to deny all our scientific ideas. How we should like to discredit them! Unfortunately the statistical evidence, at least for telepathy, is overwhelming.
ALAN TURING 
My little computer said such a funny thing this morning.
ALAN TURING 
If a machine is expected to be infallible, it cannot also be intelligent.
ALAN TURING 
Mathematical reasoning may be regarded rather schematically as the exercise of a combination of two facilities, which we may call intuition and ingenuity.
ALAN TURING 
Do you know why people like violence? It is because it feels good. Humans find violence deeply satisfying. But remove the satisfaction, and the act becomes hollow.
ALAN TURING 
Up to a point, it is better to just let the snags [bugs] be there than to spend such time in design that there are none.
ALAN TURING 
Science is a differential equation. Religion is a boundary condition.
ALAN TURING 
The Exclusion Principle is laid down purely for the benefit of the electrons themselves, who might be corrupted (and become dragons or demons) if allowed to associate too freely.
ALAN TURING