1) That which I must do materially (action)
C25 - Arithmetricha - Reversed: Measure. Combine my strengths and use them to my favor.
2) That which I must do intellectually (reason)
E8 - King: Legality. Law and justice don't often coincide.
3) That which I must do spiritually (perception)
E10 - Papa - Reversed: Spirituality. I must think beyond the everyday.