Only the wise know just where predestination ends and free will begins. Meanwhile, you must keep on doing your best, according to your own clearest understanding. you must long for freedom as the drowning man longs for air. Without sincere longing, you will never find God.

The quote by Paramahansa Yogananda, "Only the wise know just where predestination ends and free will begins", delves into the complex relationship between fate and free will. It suggests that those who are truly wise understand the delicate balance between the forces of predestination—the idea that certain aspects of our lives are destined or predetermined—and free will, the personal power to make choices and shape one's own future. The line hints at the notion that the boundaries of these forces are difficult to define and are often interwoven in ways that are only fully understood by those who have reached a deeper level of awareness.

Yogananda goes on to explain that regardless of where this balance lies, individuals must continue to do their best, following their own clearest understanding. This implies that personal effort and growth are essential, regardless of the philosophical or spiritual questions about destiny. By focusing on our own best efforts, we contribute to the unfolding of our own lives, navigating through uncertainty with clarity and purpose.

The line "you must long for freedom as the drowning man longs for air" emphasizes the intensity and sincerity required in the pursuit of freedom, particularly spiritual freedom. Just as a person desperate for air in a moment of drowning instinctively desires survival, Yogananda stresses that one's longing for true freedom—especially freedom from the constraints of the material world—must be powerful and sincere in order to achieve spiritual realization or enlightenment. Without this intensity of longing, one may not be able to truly seek or understand the deeper aspects of God or truth.

Ultimately, Yogananda’s message is a call to action. The pursuit of spiritual growth and freedom requires both wisdom and sincere effort. Understanding the complexities of fate and free will might be elusive, but through persistent and passionate longing for truth, one can move closer to God and the ultimate realization of their spiritual nature.