This quote suggests that no matter how spiritually rich or enlightened a person is, they can only be truly consumed by one great passion at a time. In other words, a person may have a multitude of interests, talents, and capabilities, but there is usually one overriding passion that takes precedence over all others. This passion is often so intense and all-consuming that it defines a person’s purpose, drives their actions, and shapes their life.

The concept of "one great passion" doesn’t necessarily mean it’s a singular or static entity. It can evolve and transform over time as we grow and change. It could be a career, a hobby, a cause, a person, or even a quest for knowledge. The key is that this passion is the central theme that gives meaning and direction to our lives.

Applying this idea in today’s world or personal development, it suggests that identifying and pursuing your "one great passion" is essential for living a fulfilling life. In an era where we are constantly bombarded with countless opportunities and possibilities, it’s easy to spread ourselves too thin and lose sight of what truly matters to us.

By focusing on our "one great passion," we can channel our energies more effectively, make more meaningful progress, and achieve greater satisfaction. It also helps to cultivate resilience because when we are passionate about something, we are more willing to overcome the obstacles that stand in our way.

However, it’s important to remember that having "one great passion" does not mean we should neglect other aspects of our lives. Balance is key. While we should pursue our passion with all our heart, we should also take care of our health, relationships, and other responsibilities.

In conclusion, the quote encourages us to discover and pursue our "one great passion" while also maintaining a balanced life. It’s a call to live with purpose, intensity, and focus, but also with balance and wholeness.