Proverbs 14:25

A true witness delivers souls, but a deceitful witness speaks lies.

Proverbs 14:5

A faithful witness will not lie, but a false witness will speak lies.

Acts 20:21

testifying both to the Jews, and also to the Greeks, repentance toward God and faith toward our Lord Jesus Christ.

Acts 20:26-27

Therefore I testify to you on this day that I am pure from the blood of all.

Acts 26:16-20

But rise and stand on your feet, for I have appeared to you for this purpose, to make you a minister and a witness both of what you saw, and in what I shall appear to you;

1 Timothy 4:1-3

But the Spirit expressly says that in the latter times some shall depart from the faith, giving heed to seducing spirits and teachings of demons,

2 Peter 3:3

First, knowing this, that there will come in the last days scoffers walking according to their own lusts

Treasury of Scripture Knowledge

Summary

A true witness delivereth souls: but a deceitful witness speaketh lies.

Bible References

General references

Proverbs 14:5
A faithful witness will not lie, but a false witness will speak lies.
Acts 20:21
testifying both to the Jews, and also to the Greeks, repentance toward God and faith toward our Lord Jesus Christ.
Acts 26:16
But rise and stand on your feet, for I have appeared to you for this purpose, to make you a minister and a witness both of what you saw, and in what I shall appear to you;
1 Timothy 4:1
But the Spirit expressly says that in the latter times some shall depart from the faith, giving heed to seducing spirits and teachings of demons,
2 Peter 3:3
First, knowing this, that there will come in the last days scoffers walking according to their own lusts