Titus 3:9

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

2 Timothy 2:14

Put them in mind of these things, charging them before the Lord that they dispute not about words to no profit, which disputes end in the overthrow of the hearers.

2 Timothy 2:23

But avoid foolish and unprofitable questions, because you know that they produce contentions:

1 Corinthians 8:1

Now, with respect to meats offered to idols, we know, (for we all have knowledge: knowledge puffs up with pride, but love edifies.

1 Corinthians 13:2

And though I have the gift of prophecy, and understand all mysteries, and all knowledge; and though I have all faith, so that I could remove mountains, and have not love, I am nothing.

1 Timothy 1:3-7

As, on going into Macedonia, I besought you to remain in Ephesus, that you might charge some that they teach no other thing,

1 Timothy 4:7

But reject those profane and oldwomanish fables, and exercise yourself for godliness.

2 Timothy 2:16

But shun profane and vain babblings; for they will make further advance to ungodliness,

Titus 1:14

and not give heed to Jewish fables, and commandments of men that turn away from 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 heed to Jewish fables, and commandments of men that turn away from the truth.
1 Timothy 1:3
As, on going into Macedonia, I besought you to remain in Ephesus, that you might charge some that they teach no other thing,
1 Timothy 4:7
But reject those profane and oldwomanish fables, and exercise yourself for godliness.
2 Timothy 2:23
But avoid foolish and unprofitable questions, because you know that they produce contentions:

Unprofitable

1 Corinthians 8:1
Now, with respect to meats offered to idols, we know, (for we all have knowledge: knowledge puffs up with pride, but love edifies.
1 Corinthians 13:2
And though I have the gift of prophecy, and understand all mysteries, and all knowledge; and though I have all faith, so that I could remove mountains, and have not love, I am nothing.
2 Timothy 2:14
Put them in mind of these things, charging them before the Lord that they dispute not about words to no profit, which disputes end in the overthrow of the hearers.

General references

2 Timothy 2:23
But avoid foolish and unprofitable questions, because you know that they produce contentions: