| Wisdom doesn't do anything for a Ranger (or Paladin for that matter) in the Baldur's Gate series.
In AD&D 2e, a high WIS adds to some saving throws, and grants bonus spells to Druids and Clerics, not any other spellcasters.
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Oh, squiggly line in my eye fluid. I see you lurking there on the periphery of my vision. But when I try to look at you, you scurry away. Are you shy, squiggly line? Why only when I ignore you, do you return to the center of my eye? Oh, squiggly line, it's alright, you are forgiven. | 
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