Not everything that can be counted counts, and not everything that counts can be counted. (Albert Einstein)

It is far better to grasp the Universe as it really is than to persist in delusion, however satisfying and reassuring. (Carl Sagan)

People demand freedom of speech to make up for the freedom of thought which they avoid. (Soren Aabye Kierkegaard)

Never interrupt your enemy when he is making a mistake. (Napoleon Bonaparte)