1 Corinthians 13:1

If I can speak with the tongues of men and of angels, but am destitute of Love, I have but become a loud-sounding trumpet or a clanging cymbal.

Romans 14:15

If your brother is pained by the food you are eating, your conduct is no longer controlled by love. Take care lest, by the food you eat, you lead to ruin a man for whom Christ died.

1 Corinthians 8:1

Now as to things which have been sacrificed to idols. This is a subject which we already understand--because we all have knowledge of it. Knowledge, however, tends to make people conceited; it is love that builds us up.

1 Corinthians 12:8

To one the utterance of wisdom has been granted through the Spirit; to another the utterance of knowledge in accordance with the will of the same Spirit;

1 Corinthians 12:16

Or were the ear to say, "Because I am not an eye, I am not a part of the body," that would not make it any the less a part of the body.

1 Corinthians 12:29-30

Are all Apostles? Are all Prophets? Are all teachers?

1 Corinthians 13:2-3

If I possess the gift of prophecy and am versed in all mysteries and all knowledge, and have such absolute faith that I can remove mountains, but am destitute of Love, I am nothing.

1 Corinthians 13:8

Love never fails. But if there are prophecies, they will be done away with; if there are languages, they will cease; if there is knowledge, it will be brought to an end.

1 Corinthians 14:6-8

But, brethren, as things are, if I come to you speaking in 'tongues,' what benefit shall I confer on you, if the utterance is neither in the form of a revelation nor of additional knowledge nor of prophecy nor of teaching?

2 Corinthians 12:4

God knows--was caught up into Paradise and heard unspeakable things which no human being is permitted to repeat.

Galatians 5:6

For in Christ Jesus neither circumcision nor uncircumcision is of any importance; but only faith working through love.

Galatians 5:22

The Spirit, on the other hand, brings a harvest of love, joy, peace; patience towards others, kindness, benevolence;

1 Timothy 1:5

But the end sought to be secured by exhortation is the love which springs from a pure heart, a clear conscience and a sincere faith.

1 Peter 4:8

Above all continue to love one another fervently, for love throws a veil over a multitude of faults.

2 Peter 2:18

For, while they pour out their frivolous and arrogant talk, they use earthly cravings--every kind of immorality--as a bait to entrap men who are just escaping from the influence of those who live in error.

Matthew 25:45

"But he will reply, "'In solemn truth I tell you that in so far as you withheld such services from one of the humblest of these, you withheld them from me.'

Treasury of Scripture Knowledge

Summary

Though I speak with the tongues of men and of angels, and have not charity, I am become as sounding brass, or a tinkling cymbal.

Bible References

I speak

1 Corinthians 13:2
If I possess the gift of prophecy and am versed in all mysteries and all knowledge, and have such absolute faith that I can remove mountains, but am destitute of Love, I am nothing.
1 Corinthians 12:8
To one the utterance of wisdom has been granted through the Spirit; to another the utterance of knowledge in accordance with the will of the same Spirit;
1 Corinthians 14:6
But, brethren, as things are, if I come to you speaking in 'tongues,' what benefit shall I confer on you, if the utterance is neither in the form of a revelation nor of additional knowledge nor of prophecy nor of teaching?
2 Corinthians 12:4
God knows--was caught up into Paradise and heard unspeakable things which no human being is permitted to repeat.
2 Peter 2:18
For, while they pour out their frivolous and arrogant talk, they use earthly cravings--every kind of immorality--as a bait to entrap men who are just escaping from the influence of those who live in error.

Have not

1 Corinthians 8:1
Now as to things which have been sacrificed to idols. This is a subject which we already understand--because we all have knowledge of it. Knowledge, however, tends to make people conceited; it is love that builds us up.
Matthew 25:45
"But he will reply, "'In solemn truth I tell you that in so far as you withheld such services from one of the humblest of these, you withheld them from me.'
Romans 14:15
If your brother is pained by the food you are eating, your conduct is no longer controlled by love. Take care lest, by the food you eat, you lead to ruin a man for whom Christ died.
Galatians 5:6
For in Christ Jesus neither circumcision nor uncircumcision is of any importance; but only faith working through love.
1 Timothy 1:5
But the end sought to be secured by exhortation is the love which springs from a pure heart, a clear conscience and a sincere faith.
1 Peter 4:8
Above all continue to love one another fervently, for love throws a veil over a multitude of faults.

As

1 Corinthians 14:7
Even inanimate things--flutes or harps, for instance--when yielding a sound, if they make no distinction in the notes, how shall the tune which is played on the flute or the harp be known?