Raymond Smullyan

1919–2017 · American mathematician

Topics: mathematics, life

• I have free will, but not of my own choice. I have never freely chosen to have free will. I have to have free will, whether I like it or not!

  — Raymond Smullyan

• Of course the falsity of the fact that you believe it is red implies that you don't believe it is red. But this does not mean that you believe it is not red!

  — Raymond Smullyan

• I believe that either Jupiter has life or it doesn't. But I neither believe that it does, nor do I believe that it doesn't.

  — Raymond Smullyan