We can never be sure that the opinion we are endeavoring to stifle is a false opinion; and if we were sure, stifling it would be an evil still. – John Stuart Mill, On Liberty, 1859
When you say that you agree to a thing in principle you mean that you have not the slightest intention of carrying it out in practice. – Otto von Bismarck
If you believe the doctors, nothing is wholesome if you believe the theologians, nothing is innocent if you believe the military, nothing is safe. – Lord Salisbury