Niels Bohr on talking

Prediction is very difficult, especially about the future.

Anyone who says that they can contemplate quantum mechanics without becoming dizzy has not understood the concept in the least.

Your theory is crazy, but it’s not crazy enough to be true.

A great many of those who ‘debunk’ traditional…values have in the background values of their own which they believe to be immune from the debunking process.

C. S. Lewis1898–1963The Abolition of Man

• Debate

It is better to keep your mouth closed and let people think you are a fool than to open it and remove all doubt.

Mark Twain1835–1910

If A is a success in life, than A equals x plus y plus z. Work is x; y is play; and z is keeping your mouth shut.

Albert Einstein1879–1955

• Success