cán yú
remnant
relic
residue
vestige
surplus
to remain
to leave surplus
rén fēi shēng ér zhī zhī zhě , shú néng wú huò
Knowledge is not innate to man, how can we overcome doubt?
We are not born with knowledge, how does one achieve maturity? (i.e. without guidance from a teacher - Tang dynasty essayist Han Yu 韓愈|韩愈)
cān yù
variant of 參與|参与[can1 yu4]