A collection of the best advice I have ever received:
'Always have your tea or coffee black when you visit someone's house. People go to the fridge and drink milk straight from the carton', a vociferous lunatic, speakers' corner, Hyde Park
Boys, always marry an ugly girl, because she'll never leave you - and if she does, you won't care. A country and western song.
Be the change you wish to see in the world, Gandhi