How to say almost everything that is great has been done by youth. in Japanese
1)
ほとんどほとんど(hotondo) (n-adv,n-t) mostly/nearly/practically/well-nigh/almost invariably/all but/just about/almost全て全て(subete) (adj-no,n-adv,n) all/the whole/entirely/in general/wholly/overallのの(no) (prt) indicates possessive/nominalizes verbs and adjectives/substitutes for "ga" in subordinate phrases/indicates a confident conclusion/ indicates emotional emphasis/indicates question偉大偉大(idai) (adj-na,n) greatnessな(prt) connects adj to noun/indicates emotion or emphasis/command/prohibitionこと(prt) particle indicating a command/particle indicating mild enthusiasm/particle indicating a gentle interrogative/particle used to soften a judgment or conclusionはは(ha) (int) indicating a subject/yes/indeed/well/ha!/what?/huh?/sigh青年青年(seinen) (n) youth/young manによってによって(niyotte) (exp) according to/by/due to/because of成さno dictionary result, likely a conjigated verbno dictionary result, likely a conjigated verbれてno dictionary result, likely a conjigated verbno dictionary result, likely a conjigated verb来たno dictionary result, likely a conjigated verbno dictionary result, likely a conjigated verb。。(。) Japanese period "."
