Hebrews:3:12-13
nasb@Hebrews:3:12 @Take care, brethren, that there not be in any one of you an evil, unbelieving heart that falls away from the living God.
nasb@Hebrews:3:13 @But encourage one another day after day, as long as it is still called "Today," so that none of you will be hardened by the deceitfulness of sin.