The purpose of a magic trick is to amuse and create a feeling of wonder; the audience is generally aware that the magic is performed using trickery, and derives enjoyment from the magician's skill and cunning. Traditionally, magicians refuse to reveal the secrets to the audience. The reasons include:Exposure is claimed to "kill" magic as an artform and transforms it into mere intellectual puzzles and riddles. It is argued that once the secret of a trick is revealed to a person, that one can no longer fully enjoy subsequent performances of that magic, as the amazement is missing. Sometimes the secret is so simple that the audience feels let down, and feels disappointed it was taken in so easily. Keeping the secrets preserves the professional mystery of magicians who perform for money. Membership in professional magicians' organizations often requires a solemn commitment to the "Magician's Oath" never to reveal the secrets of magic to non-magicians.The Magician's Oath (though it may vary, 'The Oath' takes the following, or similar form): "As a magician I promise never to reveal the secret of any illusion to a non-magician, unless that one swears to uphold the Magician's Oath in turn. I promise never to perform any illusion for any non-magician without first practicing the effect until I can perform it well enough to maintain the illusion of magic." Once sworn to The Oath, one is considered a magician, and is expected to live up to this promise. A magician who reveals a secret, either purposely or through insufficient practice, may typically find oneself without any magicians willing to teach one any more secrets.However, it is considered permissible to reveal secrets to individuals who are determined to learn magic and become magicians. It is typically a sequential process of increasingly valuable and lesser known secrets. The secrets of almost all magical effects are available to the public through numerous bo