This quote essentially means that breakthroughs, innovations, and progress do not come from merely observing or accepting the status quo, but rather from challenging it and seeking to understand the unknown or the seemingly impossible. In this case, the law of flying couldn’t have been discovered if people only focused on things that stay on the ground. It took curiosity, imagination, and the courage to look beyond what was known and understood, to explore the mysteries of flight.

The quote emphasizes the importance of pushing boundaries and stepping outside of one’s comfort zone in order to achieve significant advancements. It suggests that to make real progress, one must not be constrained by what is already known or accepted, but should strive to explore and understand what lies beyond.

In today’s world, this idea is more relevant than ever. In the face of rapid technological advancements and a constantly evolving global landscape, the ability to challenge the status quo, to innovate, and to adapt is crucial. Whether in the realm of technology, science, business, or social issues, progress is driven by those who dare to venture into the unknown and question the established norms.

In terms of personal development, this quote encourages individuals to adopt a growth mindset, to be open to new experiences and ideas, and to be proactive in seeking personal growth and learning. It suggests that personal development does not come from sticking to what is familiar and comfortable, but from embracing challenges, taking risks, and stepping into the unknown. This could mean learning a new skill, changing careers, moving to a new city, or even just adopting a new way of thinking.

In essence, the quote is a call to action for individuals and society as a whole to not be content with merely understanding and accepting the world as it is, but to strive to understand how it could be, and to actively work towards creating that reality.