Matthew 21:34-41

And, when the season of the fruits drew near, he sent his servants to the husbandmen to receive his fruits.

Philippians 3:1

Finally, my brethren, rejoice in the Lord. To write the same things to you to me, indeed, is not irksome, while for you it is safe.

2 Timothy 3:7

always learning, and never able to come to the full knowledge of the truth.

Hebrews 5:12

For even when, on account of the time, ye ought to be teachers, ye again have need that some one teach you the first elements of the oracles of God, and have become such as have need of milk, and not of solid food;

Treasury of Scripture Knowledge

Summary

For precept must be upon precept, precept upon precept; line upon line, line upon line; here a little, and there a little:

General references

Bible References

For precept

Matthew 21:34
And, when the season of the fruits drew near, he sent his servants to the husbandmen to receive his fruits.
Philippians 3:1
Finally, my brethren, rejoice in the Lord. To write the same things to you to me, indeed, is not irksome, while for you it is safe.
2 Timothy 3:7
always learning, and never able to come to the full knowledge of the truth.
Hebrews 5:12
For even when, on account of the time, ye ought to be teachers, ye again have need that some one teach you the first elements of the oracles of God, and have become such as have need of milk, and not of solid food;

General references

Matthew 15:16
And He said, "Are ye also even yet without understanding?
Mark 7:18
And He saith to them, "Are ye too thus without understanding? Do ye not perceive that nothing, entering into a man from without, can defile him;