John 2:24
But Jesus did not trust himself to them, because he knew all men;
1 Peter 1:7
that the proof of your faith, much more precious than gold which perisheth, but is tried with fire, may be found unto praise and glory and honor at the manifestation of Jesus Christ;
1 Peter 4:12
Beloved, be not surprised at the fiery trial which is taking place among you to prove you, as though a strange thing were befalling you;
Revelation 2:23
And her children I will slay with death; and all the churches shall know that I am he who searcheth the reins and hearts; and I will give to every one of you according to your works.