Titus 3:9

but shun foolish questionings, genealogies, strife, and disputes about the law; for they are unprofitable and vain.

2 Timothy 2:14

Remind them of these things, charging them in the sight of the Lord, that they don't argue about words, to no profit, to the subverting of those who hear.

2 Timothy 2:23

But refuse foolish and ignorant questionings, knowing that they generate strife.

Job 15:3

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

1 Corinthians 8:1

Now concerning things sacrificed to idols: We know that we all have knowledge. Knowledge puffs up, but love builds up.

1 Corinthians 13:2

If I have the gift of prophecy, and know all mysteries and all knowledge; and if I have all faith, so as to remove mountains, but don't have love, I am nothing.

1 Timothy 1:3-7

As I urged you when I was going into Macedonia, stay at Ephesus that you might command certain men not to teach a different doctrine,

1 Timothy 4:7

But refuse profane and old wives' fables. Exercise yourself toward godliness.

2 Timothy 2:16

But shun empty chatter, for they will proceed further in ungodliness,

Titus 1:14

not paying attention to Jewish fables and commandments of men who 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
not paying attention to Jewish fables and commandments of men who turn away from the truth.
1 Timothy 1:3
As I urged you when I was going into Macedonia, stay at Ephesus that you might command certain men not to teach a different doctrine,
1 Timothy 4:7
But refuse profane and old wives' fables. Exercise yourself toward godliness.
2 Timothy 2:23
But refuse foolish and ignorant questionings, knowing that they generate strife.

Unprofitable

Job 15:3
Should he reason with unprofitable talk, or with speeches with which he can do no good?
1 Corinthians 8:1
Now concerning things sacrificed to idols: We know that we all have knowledge. Knowledge puffs up, but love builds up.
1 Corinthians 13:2
If I have the gift of prophecy, and know all mysteries and all knowledge; and if I have all faith, so as to remove mountains, but don't have love, I am nothing.
2 Timothy 2:14
Remind them of these things, charging them in the sight of the Lord, that they don't argue about words, to no profit, to the subverting of those who hear.

General references

2 Timothy 2:23
But refuse foolish and ignorant questionings, knowing that they generate strife.