Whenever I climb I am followed by a dog called ‘Ego’. (Friedrich Nietzsche)

I have come to believe that the whole world is an enigma, a harmless enigma that is made terrible by our own mad attempt to interpret it as though it had an underlying truth. (Umberto Eco)

Facts are the enemy of truth. (Don Quixote – Man of La Mancha)

I have not failed. I’ve just found 10,000 ways that won’t work. (Thomas Alva Edison)