JewishEncyclopedia.com - COVENANT "Eternal as the covenant with heaven and earth is God's covenant with the seed of Jacob (Jer. xxxiii. 25 et seq.). Christianity, however, interpreted the words of the prophet in such a way as to indicate a new religious dispensation in place of the law of Moses (Heb. viii. 8–13)."
Jewish Encyclopedia: New TestamentArchived 2008-04-12 at the Wayback Machine: "The idea of the new covenant is based chiefly upon Jer. xxxi. 31–34 (comp. Heb. viii. 6–13, x. 16). That the prophet's words do not imply an abrogation of the Law is evidenced by his emphatic declaration of the immutability of the covenant with Israel (Jer 31:35–36; comp. 33:25); he obviously looked for a renewal of the Law through a regeneration of the hearts of the people."
Jewish Encyclopedia: New TestamentArchived 2008-04-12 at the Wayback Machine: "The idea of the new covenant is based chiefly upon Jer. xxxi. 31–34 (comp. Heb. viii. 6–13, x. 16). That the prophet's words do not imply an abrogation of the Law is evidenced by his emphatic declaration of the immutability of the covenant with Israel (Jer 31:35–36; comp. 33:25); he obviously looked for a renewal of the Law through a regeneration of the hearts of the people."
Jewish Encyclopedia: New TestamentArchived 2008-04-12 at the Wayback Machine: "The idea of the new covenant is based chiefly upon Jer. xxxi. 31–34 (comp. Heb. viii. 6–13, x. 16). That the prophet's words do not imply an abrogation of the Law is evidenced by his emphatic declaration of the immutability of the covenant with Israel (Jer 31:35–36; comp. 33:25); he obviously looked for a renewal of the Law through a regeneration of the hearts of the people."