A tautology's truth is certain, a proposition's possible, a contradiction's impossible. (Certain, possible, impossible: here we have the first indication of the scale that we need in the theory of probability.) (4.464)
Ludwig Wittgenstein
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The truth is that the love of mankind is a single season among so many others. The truth is that we have within us something much more mortal than we are, and that it is this, all the same, which is all-important. Therefore we survive very much longer than we live. There are things we think we know and which yet are secrets. Do we really know what we believe? We believe in miracles. We make great efforts to struggle, to go mad. We should like to let all our good deserts be seen. We fancy that we are exceptions and that something supernatural is going to come along. But the quiet peace of the truth fixes us. The impossible becomes again the impossible. We are as silent as silence itself.
Henri Barbusse
Pascal is called the founder of modern probability theory. He earns this title not only for the familiar correspondence with Fermat on games of chance, but also for his conception of decision theory, and because he was an instrument in the demolition of probabilism, a doctrine which would have precluded rational probability theory.
Ian Hacking
It’s not unlikely that God would lie—that would be a matter of probability. It is impossible for God to lie.
James MacDonald
According to each one of the different theories there are things which are impossible, whose existence cannot be admitted, and whose creation is excluded from the power of God, and the assumption that God does not change their nature does not imply weakness in God, or a limit to his power. Consequently things impossible remain impossible, and do not depend on the action of an agent. It is now clear that a difference of opinion exists only as to the question to which of the two classes anything belongs; whether to the class of the impossible, or to that of the possible. Note it.
Maimonides
It is quite impossible for a proposition to state that it itself is true. (4.442)
Ludwig Wittgenstein
Wittgenstein, Ludwig
Wodehouse, P. G.
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