Titus 3:9

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

2 Timothy 2:14

Of these things put them in remembrance, charging them before the Lord that they strive not about words to no profit, but to the subverting of the hearers.

2 Timothy 2:23

But foolish and unlearned questions avoid, knowing that they do gender strifes.

Job 15:3

Should he reason with unprofitable talk? or with speeches wherewith he can do no good?

1 Corinthians 8:1

Now as touching things offered unto idols, we know that we all have knowledge. Knowledge puffeth up, but charity edifieth.

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

As I besought thee to abide still at Ephesus, when I went into Macedonia, that thou mightest charge some that they teach no other doctrine,

1 Timothy 4:7

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

2 Timothy 2:16

But shun profane and vain babblings: for they will increase unto more 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
As I besought thee to abide still at Ephesus, when I went into Macedonia, that thou mightest charge some that they teach no other 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 unlearned questions avoid, knowing that they do gender strifes.

Unprofitable

Job 15:3
Should he reason with unprofitable talk? or with speeches wherewith he can do no good?
1 Corinthians 8:1
Now as touching things offered unto idols, we know that we all have knowledge. Knowledge puffeth up, but charity edifieth.
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
Of these things put them in remembrance, charging them before the Lord that they strive not about words to no profit, but to the subverting of the hearers.

General references

2 Timothy 2:23
But foolish and unlearned questions avoid, knowing that they do gender strifes.

King James Version Public Domain