"人心不古"是个多义词，它可以指人心不古（成语）,人心不古（张谦卑创作的歌曲）。
由这点看来，人心不古，道德沦亡，这是有原因的。
From this, we can see that there are reasons why people no longer follow ancient ways, and why moral values have declined.
这并不一定是“人心不古”，实可以说是人生的悲剧。
Though this is not necessarily due to "degeneration of public morality", I do have good reasons to call it the tragedy of life.
应用推荐