Stating all you need is Jesus, is not the same as stating, all that you need is in Jesus Christ

Philosophically and theologically, stating all you need is Jesus, is not the same as stating, all that you need is in Jesus Christ.

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If all you need is God/Jesus works as advice for people with a desire unfulfilled, a need unsatisfied, why does it not suffice for the people that have a desire fulfilled and need satisficed?