The purpose of abstraction is not to be vague, but to create a new semantic level in which one can be absolutely precise.
人生之初,即有忧愁,与生俱来也。
出自《海国图志》。不管是东海还是西海,圣人各出自不同地方但是心理是相同的。
The greatest glory in living lies not in never falling, but in rising every time we fall.