A fun phrase for #4 is “betsubara” (別腹/べつばら), having room for dessert despite your stomach being full. My host father used to say it all the time.
Additionally the last one, ganbaru, is actually just the word for the verb “to persevere”, commonly a phrase used in self motivation. (Ex: struggling to complete a task and you remind yourself, “ 頑張る!”.
If you want to try Kaizen in your open source software development, take a look at Pieter Hintjens' Collective Code Construction Contract which has been used for years by ZeroMQ.
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the japanese are such smart people on average, it's pretty cool how that works, shows that the stupidity of americans is the product of a poor culture
it also is interesting because it shows that culture can compensate for a lot of efforts to demoralize a population, this is why their banking system was the first to go into full retard