Matthew 26:48-50

Now the one who betrayed Him had given them a signal, saying, "Whoever I give a kiss [of greeting to], he is the one, take hold of him."

Hebrews 12:10

For our human fathers disciplined us for a short time as it seemed best to them; but God disciplines us for our [spiritual] good, so that we may share in His holiness.

Revelation 3:19

"I rebuke and discipline those I love, so be earnest and repent.

Treasury of Scripture Knowledge

Summary

Faithful are the wounds of a friend; but the kisses of an enemy are deceitful.

The kisses

Bible References

The wounds

Hebrews 12:10
For our human fathers disciplined us for a short time as it seemed best to them; but God disciplines us for our [spiritual] good, so that we may share in His holiness.
Revelation 3:19
"I rebuke and discipline those I love, so be earnest and repent.

The kisses

Matthew 26:48
Now the one who betrayed Him had given them a signal, saying, "Whoever I give a kiss [of greeting to], he is the one, take hold of him."