Dullness of Heart
The International Standard Bible Encyclopedia, Revised
Dullness (of Heart)
Dullness (of Heart) [Heb. meg̱innâ—‘covering’] (Lam. 3:65); AV SORROW; NEB HARD; [Gk. pachýnō—‘thicken,’ ‘fatten’] (Mt. 13:15; Acts 28:27); AV, NEB, GROSS. Lam. 3:65 speaks figuratively of a hard shell covering the heart, probably denoting obstinacy or insolence. Gk. pachýnō is used of a people
A Dictionary of Christ and the Gospels: Aaron–Zion
Slowness Of Heart
SLOWNESS OF HEART.—A disposition which our Lord discerned in His disciples, especially in relation to His Person and work (Lk 24:25 βραδεῖς τῇ καρδίᾳ). He connects it with ‘emptiness of mind’ (ἀνόητος, cf. Bengel, who paraphrases, ‘void of mind and slow of heart’) as the joint cause of their failure