There are many laws that govern this world we live in, here are a few that apply to tennis if you dare.
Law of Obedience Is the ability to do what one is told from what ever source one may choose. It is also the law of Joy and happiness!
Law of Sacrifice Is the ability to give of ones self for a greater return yet to be achieved. It is also the law of appreciation or value!
Law of Hope Is the ability to seek or cherish a desire with anticipation.
Law of Faith Is the ability to have a firm belief in something for which there is no proof.
Law of Love Is the ability to be warm and attached, enthusiastic, or devoted, unselfish, loyal, benevolent and concerned for the good of the endeavor or person.
Law of Gravity Is a fundamental physical force that is responsible for interactions which occur because of mass between particles, between aggregations of matter (What goes up must come down as long as it is heavier than the mass it is going through).