Ludwig Wittgenstein

“I am sitting with a philosopher in the garden; he says again and again 'I know that that’s a tree', pointing to a tree that is near us. Someone else arrives and hears this, and I tell him: 'This fellow isn’t insane. We are only doing philosophy.”


Ludwig Wittgenstein, On Certainty
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On Certainty On Certainty by Ludwig Wittgenstein
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