zlacker

If they’re ”obvious”, e.g. ”easy to see”, how come, as you say, we ”can’t see” them yet?

Can not see ≠ easy to see

>>Cyberf+(OP)
That is the point we often overlook the obvious stuff. It is something so simple and trivial that nobody sees it as a vital part. It is something along the lines of "Textbooks are all you need."