Titus 3:9

But avoid foolish questions and genealogies and contentions and debates concerning the law, for they are unprofitable and vain.

2 Timothy 2:14

Counsel these things, charging them before the Lord. Strive not in words that profit nothing, but rather subvert the hearers.

2 Timothy 2:23

But foolish and unwise questions refuse, knowing that they do beget contentions.

Job 15:3

Should he dispute with useless words and with reasons that are not profitable?

1 Corinthians 8:1

Now as concerning things offered unto idols, we know that we all have knowledge. Knowledge puffs up, but charity 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 charity, I am nothing.

1 Timothy 1:3-7

Even as I besought thee to remain at Ephesus when I went into Macedonia, that thou might charge some that they not teach diverse doctrine,

1 Timothy 4:7

But refuse profane and old wives' fables, and exercise thyself rather unto godliness.

2 Timothy 2:16

But avoid profane and vain wordiness, for it will develop into ungodliness.

Titus 1:14

not giving heed to Jewish fables and commandments of men, that turn 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
not giving heed to Jewish fables and commandments of men, that turn from the truth.
1 Timothy 1:3
Even as I besought thee to remain at Ephesus when I went into Macedonia, that thou might charge some that they not teach diverse doctrine,
1 Timothy 4:7
But refuse profane and old wives' fables, and exercise thyself rather unto godliness.
2 Timothy 2:23
But foolish and unwise questions refuse, knowing that they do beget contentions.

Unprofitable

Job 15:3
Should he dispute with useless words and with reasons that are not profitable?
1 Corinthians 8:1
Now as concerning things offered unto idols, we know that we all have knowledge. Knowledge puffs up, but charity 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 charity, I am nothing.
2 Timothy 2:14
Counsel these things, charging them before the Lord. Strive not in words that profit nothing, but rather subvert the hearers.

General references

2 Timothy 2:23
But foolish and unwise questions refuse, knowing that they do beget contentions.