Wisdom is a principal thing. Becoming a wise sage is not a day job. As defined by Wikipedia, Wisdom is the ability to think and act using knowledge, experience, understanding, common sense, and insight. To be wise is one of the most extraordinary abilities a human being can possess. This is because
wisdom cuts across parts of life.
Wisdom is associated with common sense, compassion, love, just judgment, ethics, virtues, morals, etc.