35-37. Consequent exhortation to confidence and endurance, as Christ is soon coming.
      Cast not away--implying that they now have "confidence," and that it will not withdraw of itself, unless they "cast it away" wilfully (compare Heb 3:14).
      which--Greek, "the which": inasmuch as being such as.
      hath--present tense: it is as certain as if you had it in your hand (Heb 10:37). It hath in reversion.
      recompense of reward--of grace not of debt: a reward of a kind which no mercenary self-seeker would seek: holiness will be its own reward; self-devoting unselfishness for Christ's sake will be its own rich recompense (see on Heb 2:2; Heb 11:26).

JFB.