Scripture referencesLev 13:39 and if the spots are dull white,Ecc 10:10 If the axe is dull and the bladeIsa 59:1 nor His ear too dull to hear.Lam 4:1 the pure gold has become dull!Mar 7:18 you still so dull?” He asked. “DoHeb 5:11 because you are dull of hearing.