The fundamental cause of trouble in the world is that the stupid are cocksure while the intelligent are full of doubt. (Bertrand Russell)

You may not be interested in war, but war is interested in you. (Leon Trotsky)

I don’t know why we are here, but I’m pretty sure that it is not in order to enjoy ourselves. (Ludwig Wittgenstein)

We have art to save ourselves from the truth. (Friedrich Nietzsche)

I’ve had a wonderful time, but this wasn’t it. (Groucho Marx)