Romans 2:20

an instructor of the simple, a teacher of the unlearned, because you have the form of true knowledge in the law;

2 Timothy 1:13

Hold fast the form of sound words which you have heard from me, in faithfulness and in love which is in Christ Jesus.

2 Timothy 3:5

having a form of godliness, but denying its power: from these also turn away.

Romans 6:17

But thanks be to God, that though you were the servants of sin, yet you have obeyed from the heart the form of teaching, in which you have been instructed;

1 Corinthians 3:1

And I, brethren, was not able to speak to you, as to spiritual men, but as to those who are carnal, as to babes in Christ.

Titus 1:16

They profess that they know God, but in their works they deny him, being detestable and disobedient, and, as it respects every good work, rejected.

Matthew 11:25

At that time Jesus answered and said: I thank thee, Father, Lord of heaven and of earth, because thou hast hid these things from the wise and prudent, and hast revealed them to babes.

Hebrews 5:13

For every one that partakes of milk is unskillful in the word of righteousness: for he is a babe.

1 Peter 2:2

as new-born babes, earnestly desire the pure spiritual milk, that you may grow by it,

Treasury of Scripture Knowledge

Summary

An instructor of the foolish, a teacher of babes, which hast the form of knowledge and of the truth in the law.

General references

Bible References

A teacher

Matthew 11:25
At that time Jesus answered and said: I thank thee, Father, Lord of heaven and of earth, because thou hast hid these things from the wise and prudent, and hast revealed them to babes.
1 Corinthians 3:1
And I, brethren, was not able to speak to you, as to spiritual men, but as to those who are carnal, as to babes in Christ.
Hebrews 5:13
For every one that partakes of milk is unskillful in the word of righteousness: for he is a babe.
1 Peter 2:2
as new-born babes, earnestly desire the pure spiritual milk, that you may grow by it,

The form

Romans 6:17
But thanks be to God, that though you were the servants of sin, yet you have obeyed from the heart the form of teaching, in which you have been instructed;
2 Timothy 1:13
Hold fast the form of sound words which you have heard from me, in faithfulness and in love which is in Christ Jesus.
2 Timothy 3:5
having a form of godliness, but denying its power: from these also turn away.
Titus 1:16
They profess that they know God, but in their works they deny him, being detestable and disobedient, and, as it respects every good work, rejected.

General references

Luke 11:35
Take heed, therefore, lest the light that is in you be darkness.