Destiny is something that you cannot control, although mankind has tried through the centuries. Your destiny is supposed to be written when you are conceived, and although the path to the final end may be flexible and change at times the end result of your life will always be the same according to those who believe in destiny. This may also be called fate, karma, and other names as well.
When I have been unhappy, I have heard an opera... and it seemed the shrieking of winds; when I am happy, a sparrow's chirp is delicious to me. But it is not the chirp that makes me happy, but I that make it sweet