Propositions show what they say: tautologies and contradictions show that they say nothing.
Ludwig WittgensteinIn order to be able to set a limit to thought, we should have to find both sides of the limit thinkable (i.e. we should have to be able to think what cannot be thought).
Ludwig WittgensteinThe aspects of a thing that are most important to us are hidden to us because of their simplicity and familiarity.
Ludwig Wittgenstein