This quote posits that true happiness is not just a state of being or an emotion, but rather an active process. It is not about possessing good things, but about being good in action. The ‘activity of soul’ refers to the conscious choices and actions we take. ‘Conformity with perfect goodness’ implies that these actions align with the highest virtues or moral standards.

The ‘perfect goodness’ Aristotle talks about is not subjective or relative to personal desires or societal norms. It’s an objective moral standard that is universally true and good. This ‘perfect goodness’ can be seen as the ultimate purpose or highest goal of human life. Hence, happiness, according to Aristotle, is not about immediate gratification or material wealth, but about striving towards this highest good through our actions.

In the context of today’s world, this quote can be seen as a call to action for personal development and societal progress. It suggests that happiness is not something that can be bought or achieved through external means. Instead, it’s something that we cultivate within ourselves through our actions and choices. This perspective encourages us to actively participate in our own happiness by making choices that align with our highest values and virtues.

In terms of personal development, this quote can inspire us to focus on our actions and behaviors rather than external circumstances or material possessions. It suggests that we can find true happiness by aligning our actions with our personal values and striving to be the best version of ourselves. This can involve developing virtues such as kindness, honesty, courage, and wisdom, and making choices that reflect these virtues in our daily lives.

Overall, Aristotle’s quote offers a profound perspective on happiness that goes beyond superficial or immediate pleasures. It suggests that true happiness lies in the pursuit of virtue and moral excellence, and in the active participation in our own moral development.