AA's MUST's ... "Not Suggestions" ... "Not Maybes," Essential for Recovery, Serenity, and Inner Peace, Found Within Our Big Book 12 Steps...
[short version]

[Step 1]       *The Doctor's Opinion Page xxvi:
...we who have suffered alcoholic torture [must] believe-that the body of the alcoholic is quite as abnormal as his mind.
      *Bill's Story Page 14:
...I [must] turn in all things to the Father of Light who presides over us all.
      *There Is A Solution Page 20:
..."His will power [must] be weak."
      *There Is A Solution Page 29:
..."Yes, I am one of them too; I [must] have this thing."
      *More About Alcoholism Page 33:
...there [must] be no reservation of any kind, nor any lurking notion that someday we will be immune to alcohol...
      *More About Alcoholism Page 43:
...His defense [must] come from a Higher Power...
[Step 2]       *We Agnostics Page 44:
...we had to face the fact that we [must] find a spiritual basis of life - or else.
[Step 3]       *How It Works Page 62:
...Above everything, we alcoholics [must] be rid of this selfishness. We [must], or it kills us!
[Step 4]       *How It Works Page 66:
...We saw that these resentments [must] be mastered,...
      *How It Works Page 69:
...Whatever our ideal turns out to be, we [must] be willing to grow toward it. We [must] be willing to make amends where we have done harm,...
[Step 5]       *Into Action Pages 73-74:
...We [must] be entirely honest with somebody if we expect to live long or happily in this world...
...Those of us belonging to a religious denomination which requires confession [must], and of course, will want to go to the properly appointed authority...
...The rule is we [must] be hard on ourself,...
      *Into Action Page 75:
...But we [must] not use this as a mere excuse to postpone. When we decide who is to hear our story, we waste no time.