In modern society, this sentence can be extended to, in the face of beautiful things, people often have a complex psychology that is both yearning and difficult to grasp. For example, when you meet a boss or colleague who appreciates you in the workplace, although you really want their concern, you are worried that you are incompetent or can't afford this kindness.
Therefore, the phrase "goodness is the hardest to enjoy" reminds people to cherish good times and opportunities, bravely pursue their own goals, and at the same time be self-aware and do what they can.