Thirsting Souls Bible Teaching

(1Co 1:24) “But unto them which are called, both Jews and Greeks, Christ the power of God, and the wisdom of God.”  God calls all, but all will not hear or they choose not to respond: (Heb 3:7) “Wherefore (as the Holy Ghost saith, To day if ye will hear his voice,  (8)  Harden not your hearts,…”