Titus 3:9

But have nothing to do with foolish discussions, or with genealogies, or with controversy, or disputes about the Law. They are useless and futile.

2 Timothy 2:14

Remind people of all this; urge them solemnly, as in the sight of God, to avoid controversy, a useless thing and the ruin of those who listen to it.

2 Timothy 2:23

Shun foolish and ignorant discussions, for you know that they only breed quarrels;

1 Corinthians 8:1

With reference to food that has been offered in sacrifice to idols-We are aware that all of us have knowledge! Knowledge breeds conceit, while love builds up character.

1 Corinthians 13:2

Even though I have the gift of preaching, and fathom all hidden truths and all the depths of knowledge; even though I have such faith as might move mountains, yet have not Love, I am nothing!

1 Timothy 1:3-7

I beg you, as I did when I was on my way into Macedonia, to remain at Ephesus; that you may instruct certain people there not to teach new and strange doctrines,

1 Timothy 4:7

As for profane legends and old wives' tales, leave them alone. Train yourself to lead a religious life;

2 Timothy 2:16

Avoid profane prattle. Those who indulge in it only get deeper into irreligious ways,

Titus 1:14

and may pay no attention to Jewish legends, or to the directions of those who turn their backs upon 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 may pay no attention to Jewish legends, or to the directions of those who turn their backs upon the Truth.
1 Timothy 1:3
I beg you, as I did when I was on my way into Macedonia, to remain at Ephesus; that you may instruct certain people there not to teach new and strange doctrines,
1 Timothy 4:7
As for profane legends and old wives' tales, leave them alone. Train yourself to lead a religious life;
2 Timothy 2:23
Shun foolish and ignorant discussions, for you know that they only breed quarrels;

Unprofitable

1 Corinthians 8:1
With reference to food that has been offered in sacrifice to idols-We are aware that all of us have knowledge! Knowledge breeds conceit, while love builds up character.
1 Corinthians 13:2
Even though I have the gift of preaching, and fathom all hidden truths and all the depths of knowledge; even though I have such faith as might move mountains, yet have not Love, I am nothing!
2 Timothy 2:14
Remind people of all this; urge them solemnly, as in the sight of God, to avoid controversy, a useless thing and the ruin of those who listen to it.

General references

2 Timothy 2:23
Shun foolish and ignorant discussions, for you know that they only breed quarrels;