On personal cultivation and development, also on duty, responsibility, altruism, service to the community/society/country, leadership and governance, none in the world, even now, can match the wisdom of Confucius 600 BCE as expounded in his immortal classic THE ANALECTS.
Book 4
Virtue attracts others and never stands alone
Book 7:
These things cause me concern-
if I fail
1. to probe deeper into what I have learnt
2. to reform myself when I have defects, etc
Give me a few years more so that I might still study when I am fifty
and as such free myself from my major errors.
Book 13
If a person has succeeded in making himself correct,
what difficulty would he face in governing?
There's a short chapter on this in THE GENTLE ART OF TAO LEADERSHIP-- A 21ST CENTURY PERSPECTIVE, Nov 2020, distributed by Simon & Schuster, published in Melb, to be republished in US this year.
At a Nobel Prize Writers' Conference held in Paris in 1988,
the following statement was declared:
' If mankind is to survive, it must go back 2,500 years to tap the wisdom of Confucius'