Music, especially Big Band Christian (by Ralph Carmichael). <br />Choirs,( I am a retired Choir director).<br />Also; computers and their uses, and Photography and high-tech digital cameras.<br /> I also believe that everyone owes a debt to mankind. This can be "paid in full" by the use of giving something back to mankind (such as: teaching, helping, giving of oneself, etc.). We as individuals will always benefit from this "rule". The cost to ourselves is "zero", but the return is infinite.<br />