Revelation 3:15

I wish thou wert cold or hot.

Matthew 24:12

the love of many will grow cold.

Romans 12:11

not slothful in business: fervent in spirit: serving the Lord.

Revelation 3:1

And to the angel of the church in Sardis write, These things saith He that hath the seven spirits of God, and the seven stars; I know thy works, that thou hast a name that thou livest, and art dead:

Matthew 6:24

No one can serve two masters; for either he will hate the one, and love the other; or at lest he will be attached to the one, and neglect the other: ye cannot serve God and mammon:

Matthew 10:37

He that loveth father or mother more than me, is not worthy of me; and he that loveth son or daughter more than me, is not worthy of me:

Luke 14:27-28

And whosoever doth not bear his cross, and follow me, cannot be my disciple.

1 Corinthians 16:22

If any one love not the Lord Jesus Christ, let him be made a curse.

2 Corinthians 12:20

For I am afraid least when I come, I should not find you such as I could wish, and I should be found to you such as ye would not: least there should be contentions, emulations, animosities, strifes, thwartings, whisperings, swellings, tumults: and least,

Philippians 1:9

And this I pray, that your love may abound yet more and more in knowledge and in all discernment;

2 Thessalonians 1:3

We ought always to give thanks to God on your account, my brethren, as it is fit; because your faith increaseth greatly, and the love of every one of you towards each other aboundeth:

James 1:8

A double-minded man is inconstant in all his ways.

1 Peter 1:22

Having therefore purified your souls by obedience to the truth, through the Spirit, to brotherly love unfeigned, love one another with a pure heart fervently:

Revelation 2:2

I know thy works, and thy labor, and thy patience, and that thou canst not bear those that are evil: and thou hast tried those who say they are apostles, and are not, and hast found them liars; and hast borne trouble, and hast patience;

Revelation 2:4

Yet I have somewhat against thee; for thou hast left thy first love.

Treasury of Scripture Knowledge

Summary

I know thy works, that thou art neither cold nor hot: I would thou wert cold or hot.

General references

Bible References

That

Revelation 2:4
Yet I have somewhat against thee; for thou hast left thy first love.
Matthew 24:12
the love of many will grow cold.
Philippians 1:9
And this I pray, that your love may abound yet more and more in knowledge and in all discernment;
2 Thessalonians 1:3
We ought always to give thanks to God on your account, my brethren, as it is fit; because your faith increaseth greatly, and the love of every one of you towards each other aboundeth:
1 Peter 1:22
Having therefore purified your souls by obedience to the truth, through the Spirit, to brotherly love unfeigned, love one another with a pure heart fervently:

I would

2 Corinthians 12:20
For I am afraid least when I come, I should not find you such as I could wish, and I should be found to you such as ye would not: least there should be contentions, emulations, animosities, strifes, thwartings, whisperings, swellings, tumults: and least,

Thou

Matthew 6:24
No one can serve two masters; for either he will hate the one, and love the other; or at lest he will be attached to the one, and neglect the other: ye cannot serve God and mammon:
Matthew 10:37
He that loveth father or mother more than me, is not worthy of me; and he that loveth son or daughter more than me, is not worthy of me:
Luke 14:27
And whosoever doth not bear his cross, and follow me, cannot be my disciple.
1 Corinthians 16:22
If any one love not the Lord Jesus Christ, let him be made a curse.
James 1:8
A double-minded man is inconstant in all his ways.

General references

Luke 11:23
He, that is not with me, is against me; and he, that gathereth not with me, scattereth.