John 2:24
But Jesus did not trust himself to them, because he knew all men,
1 Peter 1:7
that your faith, when proved, being much more precious than gold, which perishes though it be tried by fire, may be found to be for praise and honor and glory, at the revelation of Jesus Christ;
1 Peter 4:12
Beloved, be not amazed at the fiery trial that has come on you to try you, as if some strange thing had happened to you.
Revelation 2:23
And I will kill her children with death; and all the churches shall know that I am he that searches the reins and the hearts: and I will give to every one of you according to your works.