Related:

• The opposite of a correct statement is a false statement.
  But the opposite of a profound truth may well be another profound truth. -- Niels Boh...
• Prediction is very difficult, especially of the future. -- Niels Boh
• 'Albert, stop telling God what to do.' -- Niels Boh
• A physicist is just an atom's way of looking at itself. -- Niels Boh
• There are some things that are so serious that you have to laugh at them. -- Niels Boh
• Those who are not shocked by quantum theory do not understand it. -- Niels Boh
• The opposite of a profound truth may well be another profound truth. -- Niels Boh