Alan, I'm glad you find samadhi "fairly straightforward" cos personally I've had a very long and hard struggle with it, which is ongoing.
As for wisdom, just to keep exerting ourselves in the practice requires a degree of wisdom, imo. Otherwise why wake up early every day to sit, abstain from various things, etc? Why not just take it easy and enjoy the ordinary pleasures of life?
Then the Blessed One, picking up a tiny bit of dust with the tip of his fingernail, said to the monk, "There isn't even this much form...feeling...
perception...fabrications...consciousness that is constant, lasting, eternal, not subject to change, that will stay just as it is as long as eternity."