When hearing a door creak, the optimist thinks it's opening and the pessimist thinks it's closing.


The Art of Happiness: A Guide to Developing Life's Most Important Skill (ed. Atlantic Books Ltd, 2011) - ISBN: 9780857895165


When hearing a door creak, the optimist thinks it's opening and the pessimist thinks it's closing.

When hearing a door creak, the optimist thinks it's opening and the pessimist thinks it's closing.

When hearing a door creak, the optimist thinks it's opening and the pessimist thinks it's closing.

When hearing a door creak, the optimist thinks it's opening and the pessimist thinks it's closing.