Summary
This quote suggests that when someone is consumed by their ego and self-centeredness, it often hinders their ability to make wise decisions. Egotism, or excessive self-importance, tends to cloud one's judgment and prevent them from considering perspectives or advice from others. Sagacity, referring to the ability to make good judgments, is undermined by the presence of egotism. In this context, the quote implies that one's ego can be detrimental to their intelligence and ability to discern what is truly wise or beneficial.