A journey through life:
Step 1 = Aries (cardinal fire). You are born into the world focused on your needs. It took energy and determination to get here (cardinal fire).
Step 2 = Taurus (fixed earth). You seek the nourishment and security that you require (fixed earth).
Step 3 = Gemini (mutable air). You learn to communicate and begin your education (mutable air).
Step 4 = Cancer (cardinal water). You experience and learn about family and, hopefully, nurturance (cardinal water).
Step 5 = Leo (fixed fire). You have fun and fall in love (fixed fire).
Step 6 = Virgo (mutable earth). You identify how to be of service in the world (mutable earth).
Step 7 = Libra (cardinal air). You establish a long term relationship (cardinal air).
Step 8 = Scorpio (fixed water). You learn more about resources and life lessons such as death (fixed water).
Step 9 = Sagittarius (mutable fire). You gain wisdom and develop your spirituality (mutable fire).
Step 10 = Capricorn (cardinal earth). You age and plan for the later part of life (cardinal earth).
Step 11 = Aquarius (fixed air). You learn to love everyone and get the whole in perspective (fixed air).
Step 12 = Pisces (mutable water). You let go (mutable water).
The circle is complete. As Samuel Beckett said "the end is in the beginning and yet you go on".