In fact, one of the main lesson to be learned from the collapses of the Maya, Anasazi, Easter Islanders, and those other past societies (as well as from the recent collapse of the Soviet Union) is that a society's steep decline may begin only a decade or two after the society reaches its peak numbers, wealth, and power. [...] The reason is simple: maximum population, wealth, resource consumption, and waste production mean maximum environmental impact, approaching the limit where impact outstrips resources. On reflection, it's no surprise that declines of societies tend to follow swiftly on their peaks. Collapse: How Societies Choose to Fail or Succeed

″‘Hope,’ he says, ‘cherishes the soul of him who lives in justice and holiness, and is the nurse of his age and the companion of his journey;—hope which is mightiest to sway the restless soul of man.‘” Republic

The greatest threat to success is not failure but boredom. We get bored with habits because they stop delighting us. The outcome becomes expected. And as our habits become ordinary, we start derailing our progress to seek novelty. Atomic Habits

They are always asking a writer why he does not write like somebody else, or a painter why he does not paint like somebody else, quite oblivious of the fact that if either of them did anything of the kind he would cease to be an artist. The Soul of Man Under Socialism