However, I must not indulge in homespun wisdom here before so distinguished an assembly, especially as I am to be followed by a representative of science.
For the past 33 years, I have looked in the mirror every morning and asked myself: 'If today were the last day of my life, would I want to do what I am about to do today?' And whenever the answer has been 'No' for too many days in a row, I know I need to change something.