Titus 3:9

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

2 Timothy 2:14

Of these things put them in remembrance, solemnly charging them before God, that they engage not in word-battles to no profit, to the subverting of those who hear.

2 Timothy 2:23

But the foolish and ignorant questionings reject, knowing that they beget strifes;

1 Corinthians 8:1

Now, concerning the things sacrificed to idols, we know because we all have knowledge. Knowledge puffs up, but love builds up.

1 Corinthians 13:2

And, if I have the gift of prophecy, and know all the mysteries and all knowledge; and, if I have all faith, so as to remove mountains, but have not love, I am nothing,

1 Timothy 1:3-7

As I exhorted you to continue in Ephesus, when I was journeying into Macedonia, that you might charge certain ones not to teach a different doctrine,

1 Timothy 4:7

but refuse the profane and old wives fables, and exercise yourself unto godliness;

2 Timothy 2:16

But shun the profane babblings, for they will proceed to more ungodliness;

Titus 1:14

not giving heed 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 giving heed to Jewish fables, and commandments of men who turn away from the truth.
1 Timothy 1:3
As I exhorted you to continue in Ephesus, when I was journeying into Macedonia, that you might charge certain ones not to teach a different doctrine,
1 Timothy 4:7
but refuse the profane and old wives fables, and exercise yourself unto godliness;
2 Timothy 2:23
But the foolish and ignorant questionings reject, knowing that they beget strifes;

Unprofitable

1 Corinthians 8:1
Now, concerning the things sacrificed to idols, we know because we all have knowledge. Knowledge puffs up, but love builds up.
1 Corinthians 13:2
And, if I have the gift of prophecy, and know all the mysteries and all knowledge; and, if I have all faith, so as to remove mountains, but have not love, I am nothing,
2 Timothy 2:14
Of these things put them in remembrance, solemnly charging them before God, that they engage not in word-battles to no profit, to the subverting of those who hear.

General references

2 Timothy 2:23
But the foolish and ignorant questionings reject, knowing that they beget strifes;