See if some of us could learn a few things, like discipline and listening. Another important life skill, an important part of wisdom, is how to get along with people, how to exist in a group while remaining yourself. How to be a part of decisions that are made, and how to keep a group moving along in a constructive way. I know plenty of people who have never learned that. Maintaining the life of a group, and my own life, simultaneously, is a big challenge.
Discernment is a hugely important learning task.
How to judge what goals are worth having. How to know whether a job is demanding too much, or not enough. Knowing what to do with the material possessions under our control. Those are all big questions, which demand wisdom. Then there's a long list of skills, which we keep working on all the time.