Albert Barnes' Notes on the Whole Bible - Hebrews 3:8
Harden not your hearts - Do not render the heart insensible to the divine voice and admonition. A hard heart is that where the conscience is seared and insensible; where truth makes no impression; where no religious effect is produced by afflictions; where preaching is listened to without interest; and where the mind is unaffected by the appeals of friends. The idea here is, that a refusal to listen to the voice of God is connected with a hardening of the heart. It is in two ways:The very... read more
The Pulpit Commentary - Hebrews 3:7-19
The comparison of Christ and Moses suggests the possibility of apostasy from Christ. As Christ and Moses occupied similar positions as leaders of the household of God, and Israel was faithless under the leadership of Moses, and came to ruin as the result, so it is possible that, under the leadership of Christ, there may be the same infidelity and the same bitter end. I. THE FEAR OF APOSTASY FROM CHRIST . This solemn exhortation is written to professing Christians; and such... read more