In Mathematics, nobody is ever so advanced that they can disregard the number 1.
In the English Language, nobody is so masterful that they can abandon the letter A.
Just because something is important at the Beginning doesn’t mean it loses importance toward the End.
Mastery must be achieved at the foundation, if not as a prerequisite then as an ongoing undertaking.
There is always more to achieve at the most basic level of skill.
In both Yoga and TaiChi, the insistence that you are ready to move to the next posture, or set of forms, is clear proof that you are not.