Hadamard, Jacques - Fishing in the waters of ideas
Type of Spiritual Experience
A description of the experience
An Essay on the Psychology of Invention in the Mathematical Field – Jacques Hadamard
Just after having constructed a deduction, I can easily remember what has taken place during its development; and, so doing, I generally realise that at no instant had the properly called reasoning been present to my conscious ego, which had considered nothing else than the above described schema, only fishing each piece of the logical construction when the proper time had come.