2 Timothy 3:7
They are constantly learning and [yet] never able to arrive at a [full] knowledge of the truth.
1 Timothy 2:4
who wants all people to be saved and come to a [full] knowledge of the truth.
2 Timothy 2:25
[He must] gently correct those people who oppose [him], in hope that God will give them [opportunity for] repentance, leading to a [full] knowledge of the truth,
Matthew 13:11
He replied, "You disciples are being given an understanding of the secrets of the kingdom of heaven, but the crowds of people are not.
John 3:20-21
For every person who practices evil things hates the light [of truth] and does not come to it, for fear of having his deeds exposed [as sinful].
John 5:44
How can you believe [in me] when you [offer and] accept honors from one another, but do not try to obtain the honor that comes from the only God?
John 12:42-43
However, even many [Jewish] leaders believed in Him, but did not admit it, for fear of being expelled from the synagogue.
1 Corinthians 3:1-4
And I could not speak to you, brothers, as I would to spiritual people, but [I have to speak to you] as I would to worldly people, for you are immature children in [the fellowship of] Christ.
Ephesians 4:14
Then we will no longer be [spiritual] babies, tossed back and forth [by waves], and blown around by every wind of [false] teaching, [deceived] by the clever trickery of people using deceptive schemes.
2 Timothy 4:3-4
For the time will come when people will not tolerate sound teaching, but will assemble to themselves teachers who will satisfy what their "itching ears" want to hear.
Hebrews 5:11
[Now] we have many things to say about Melchizedek, but because of your slowness to grasp things, they are hard to explain.