(22) indubitable 疑う余地の無い each of them 単数扱い selt-evident 自明の after one fation or another = in one way or another いろいろなふうに Whether the soul survives death was a matter as to which opinions might differ, as to which→a ma…

(20) exert myself 努力する (21) bewilderment 当惑 dismay 驚き adequately 十分に ... I regret more bitterly than I do my frequent failure.. than I do = than I regret