Hebrews 5:11

11 Concerning whom we have much to say, and hard to be interpreted in speaking [of it], since ye are become dull in hearing.

Hebrews 5:11 In-Context

9 and having been perfected, became to all them that obey him, author of eternal salvation;
10 addressed by God [as] high priest according to the order of Melchisedec.
11 Concerning whom we have much to say, and hard to be interpreted in speaking [of it], since ye are become dull in hearing.
12 For when for the time ye ought to be teachers, ye have again need that [one] should teach you what [are] the elements of the beginning of the oracles of God, and are become such as have need of milk, [and] not of solid food.
13 For every one that partakes of milk [is] unskilled in the word of righteousness, for he is a babe;
The Darby Translation is in the public domain.