一己[ikko] personal
乎己止点[okototen] marks to aid in reading Chinese classics
己れ[onore] oneself (itself, etc.)
克己[kokki] self denial
克己心[kokkishin] spirit of self-denial

自己[jiko] self
自己暗示[jikoanji] self suggestion
自己規制[jikokisei] self regulation
自己犠牲[jikogisei] self-sacrifice
自己共役[jikokyouyaku] self adjoint

爾汝[jijo] you
艱難汝を玉にす[kannannanjiwotamanisu] Hardship makes the man

汝自らを知れ[nanjimizukarawoshire] Know thyself
汝自身を知れ[nanjijishinwoshire] Know thyself