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

An inconvenience is only an adventure wrongly considered; an adventure is an inconvenience rightly considered. (Gilbert Keith Chesterton)

Against stupidity, the gods themselves contend in vain. (Friedrich von Schiller)

If you want to make an apple pie from scratch, you must first create the universe. (Carl Sagan)