Acts 20:21

bearing my testimony, both to Jews and Greeks, of repentance before God and faith in our Lord Jesus Christ.

Acts 20:26-27

Therefore do I protest before you this day that I am not responsible for the blood of any of you;

Acts 26:16-20

Now get up and stand on your feet, for I have appeared to you in order to appoint you to my service as a witness to what you have seen and to the visions you shall have of me.

1 Timothy 4:1-3

But in later days, the Spirit distinctly declares, certain people will rebel against the faith; they will listen to spirits of error and to the doctrines that daemons teach

2 Peter 3:3

To begin with, you know that mockers will come with their mockeries in the last days, men who go by their own passions,

Treasury of Scripture Knowledge

Summary

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

Bible References

General references

Acts 20:21
bearing my testimony, both to Jews and Greeks, of repentance before God and faith in our Lord Jesus Christ.
Acts 26:16
Now get up and stand on your feet, for I have appeared to you in order to appoint you to my service as a witness to what you have seen and to the visions you shall have of me.
1 Timothy 4:1
But in later days, the Spirit distinctly declares, certain people will rebel against the faith; they will listen to spirits of error and to the doctrines that daemons teach
2 Peter 3:3
To begin with, you know that mockers will come with their mockeries in the last days, men who go by their own passions,