Titus 3:9

But avoid foolish questionings and genealogies and dissensions and wranglings about the law; for these are unprofitable and empty.

2 Timothy 2:14

Always call these truths to men's mind; adjuring them in the presence of God to avoid controversy. It is a useless thing, and subverts those who listen to it.

2 Timothy 2:23

Ever shun foolish and puerile discussions, for you know that they lead to quarrels.

1 Corinthians 8:1

Now in regard to food which has been offered to idols, we are sure of course that "we all have knowledge." But knowledge puffs up, while love builds up.

1 Corinthians 13:2

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

1 Timothy 1:3-7

As I begged you when I was setting out for Macedonia, stay where you are at Ephesus, and instruct certain individuals there not to be teaching heterodoxy,

1 Timothy 4:7

Ever reject these profane and old womanish myths; and continually train yourself for the contest of godliness.

2 Timothy 2:16

but avoid profane babble; for people will go farther and farther in impiety,

Titus 1:14

so as to make them sound in the faith, not giving heed to Jewish myths 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
so as to make them sound in the faith, not giving heed to Jewish myths and commandments of men who turn away from the truth.
1 Timothy 1:3
As I begged you when I was setting out for Macedonia, stay where you are at Ephesus, and instruct certain individuals there not to be teaching heterodoxy,
1 Timothy 4:7
Ever reject these profane and old womanish myths; and continually train yourself for the contest of godliness.
2 Timothy 2:23
Ever shun foolish and puerile discussions, for you know that they lead to quarrels.

Unprofitable

1 Corinthians 8:1
Now in regard to food which has been offered to idols, we are sure of course that "we all have knowledge." But knowledge puffs up, while love builds up.
1 Corinthians 13:2
Though I have the gift of prophecy and understand all mysteries and all knowledge, and have all faith, so that I could remove mountains, but have not love, I am nothing.
2 Timothy 2:14
Always call these truths to men's mind; adjuring them in the presence of God to avoid controversy. It is a useless thing, and subverts those who listen to it.

General references

2 Timothy 2:23
Ever shun foolish and puerile discussions, for you know that they lead to quarrels.