Political correctness is tyranny with manners. (Charlton Heston)

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

A people that values its privileges above its principles soon loses both. (Dwight D. Eisenhower , Inaugural Address, January 20, 1953)

The significant problems we face cannot be solved at the same level of thinking we were at when we created them. (Albert Einstein)