This quote is a metaphorical commentary on the importance of humility and continuous learning. The ocean, being vast and expansive, symbolizes someone or something that holds great knowledge or power. The lake, smaller in comparison, represents those who might seem less knowledgeable or influential. If the ‘ocean’ assumes it has nothing to learn from the ‘lake’, it is not wise – wisdom comes not only from understanding one’s own breadth of knowledge but also recognizing value in others’ perspectives, no matter how seemingly small.

In essence, this quote emphasizes that true wisdom lies in acknowledging that there’s always something new to learn; no entity is so vast or knowledgeable that it can’t gain insights from something smaller or seemingly insignificant.

Applying this idea to today’s world might involve fostering greater openness towards different cultures, viewpoints and experiences. For instance, a global superpower country (the ocean) can still learn valuable lessons about community support systems from a small tribal society (the lake).

In terms of personal development, an individual may be highly accomplished in their field but should remain open to learning even from those less experienced. A renowned chef could still discover a unique cooking technique from an amateur cook; a seasoned executive could glean valuable insights on digital trends from an intern.

Thus the quote encourages humility and lifelong learning as pathways for growth and wisdom. It reminds us not to underestimate anyone based on size or status because everyone has unique experiences and perspectives worth understanding.