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“And how does the God's existence emerge from the proof? Does it follow straightway, without any breach of continuity? Or have we not here an analogy to the behavior of the little Cartesian dolls? As soon as I let go of the doll it stands on its head. As soon as I let it go – I must therefore let it go. So also with the proof. As long as I keep my hold on the proof, i.e., continue to demonstrate, the existence does not come out, if for no other reason than that I am engaged in proving it; but when I let the proof go, the existence is there. But this act of letting go is surely also something; it is indeed a contribution of mine. Must not this also be taken into the account, this little moment, brief as it may be – it need not be long, for it is a leap. However brief this moment, if only an instantaneous now, this "now" must be included in the reckoning.”

“Continuous learning is the minimum requirement for success in any field.””

“Always remember, however sure you are that you could easily win, that there would not be a war if the other man did not think he also had a chance.”

““Sanity is not statistical.” ”

“In this life our sorrows are either not very long or not very great because nature either overcomes them by habits or puts an end to them by sinking under their weight. But in hell the torments cannot be overcome by habit, for while they are of terrible intensity they are at the same time of continual variety, each pain, so to speak, taking fire from another and re-endowing that which has enkindled it with a still fiercer flame.”