What have you learnt today ?

I used to be a big fan of Linda Goodman (an American astrologer and poet) and remember reading something on the lines... "When you are ready, the Guru appears automatically". Though, I do not believe in waiting for a Guru to appear in the form of a mystical person, many a times, I realised that if you are just willing to listen, you meet people from various walks of life and there is always something you can learn from the other human being... What have you learnt today ?