Alan Turing — "The idea of a 'soul' is a philosophical concept, not a scientific one."

"The machine should be able to carry out logical deductions."

"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."

"The more we learn about the brain, the more we realize that it is a very complex machine."

"The main problem with artificial intelligence is that it is too easy to make a machine that can do what we want it to do, but too hard to make a machine that can do what we don't want it to do."

"We are not interested in the fact that a machine can do something, but in the fact that it can learn to do something."