It is much more comfortable to be mad and know it, than to be sane and have one’s doubts. (G. B. Burgin)

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

God is a comedian playing to an audience too afraid to laugh. (Voltaire)

I find that the harder I work, the more luck I seem to have. (Thomas Jefferson)

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