Ludwig Wittgenstein — "If a lion could speak, we could not understand him."

"Skepticism is not irrefutable, but obviously nonsensical, when it tries to raise doubts where no question can be asked."

"It is not a matter of teaching the student of philosophy new facts, but of teaching him new ways of looking at old facts."

"The solution of the problem of life is seen in the vanishing of this problem. (Is not this the reason why men to whom the meaning of life has become clear, after living for some time, have then found …"

"To say 'I am in pain' is not to make a statement, but to perform a linguistic action equivalent to crying out."

"The problems arising through a misinterpretation of our forms of language have the character of depth. They are deep disquietudes; their roots are as deep in us as the forms of our language and their …"