Titus 3:9

But hold yourself aloof from foolish controversies and pedigrees and discussions and wrangling about the Law, for they are useless and vain.

2 Timothy 2:14

Bring all this to men's remembrances, solemnly charging them in the presence of God not to waste time in wrangling about mere words, a course which is altogether unprofitable and tends only to the ruin of the hearers.

2 Timothy 2:23

But avoid foolish discussions with ignorant men, knowing--as you do--that these lead to quarrels;

1 Corinthians 8:1

Now as to things which have been sacrificed to idols. This is a subject which we already understand--because we all have knowledge of it. Knowledge, however, tends to make people conceited; it is love that builds us up.

1 Corinthians 13:2

If I possess the gift of prophecy and am versed in all mysteries and all knowledge, and have such absolute faith that I can remove mountains, but am destitute of Love, I am nothing.

1 Timothy 1:3-7

When I was on my journey to Macedonia I begged you to remain on in Ephesus that you might remonstrate with certain persons because of their erroneous teaching

1 Timothy 4:7

But worldly stories, fit only for credulous old women, have nothing to do with.

2 Timothy 2:16

But from irreligious and frivolous talk hold aloof, for those who indulge in it will proceed from bad to worse in impiety,

Titus 1:14

and not give attention to Jewish legends and the maxims of men who turn their backs on the truth.

Treasury of Scripture Knowledge

Summary

But avoid foolish questions, and genealogies, and contentions, and strivings about the law; for they are unprofitable and vain.

General references

Bible References

Avoid

Titus 1:14
and not give attention to Jewish legends and the maxims of men who turn their backs on the truth.
1 Timothy 1:3
When I was on my journey to Macedonia I begged you to remain on in Ephesus that you might remonstrate with certain persons because of their erroneous teaching
1 Timothy 4:7
But worldly stories, fit only for credulous old women, have nothing to do with.
2 Timothy 2:23
But avoid foolish discussions with ignorant men, knowing--as you do--that these lead to quarrels;

Unprofitable

1 Corinthians 8:1
Now as to things which have been sacrificed to idols. This is a subject which we already understand--because we all have knowledge of it. Knowledge, however, tends to make people conceited; it is love that builds us up.
1 Corinthians 13:2
If I possess the gift of prophecy and am versed in all mysteries and all knowledge, and have such absolute faith that I can remove mountains, but am destitute of Love, I am nothing.
2 Timothy 2:14
Bring all this to men's remembrances, solemnly charging them in the presence of God not to waste time in wrangling about mere words, a course which is altogether unprofitable and tends only to the ruin of the hearers.

General references

2 Timothy 2:23
But avoid foolish discussions with ignorant men, knowing--as you do--that these lead to quarrels;