John 2:24
But Jesus did not trust himself to them, because he knew all men,
1 Peter 1:7
so that the proof of your faith, being more precious than gold which is perishable, even though tested by fire, may be found to result in praise and glory and honor at the revelation of Jesus Christ.
1 Peter 4:12
Beloved, do not be surprised at the fiery ordeal which comes upon you to test you, as though something strange were happening to you.
Revelation 2:23
And I will strike her children dead. And all the churches shall know that I am he who searches minds and hearts, and I will give to each of you according to your works.