Obvious? Possibly. Sometimes, common sense is only obvious once you have been shown it to be so. Only after a shortcut has been revealed is it an obvious time saver. Before that, it had remained completely unknown to everyone but the enlightened. You can't know what you don't know and, therefore, never seek anyone's tutorage of the subject
The quote emphasizes that what seems obvious often becomes clear only after someone points it out. Many ideas or shortcuts may appear self-evident, but they often require an initial revelation to be recognized as time-saving or beneficial. This highlights the importance of guidance and learning, as knowledge that is common to a few may be completely unknown to others.
This notion also illustrates the limitations of our understanding; we cannot seek...