John 2:24
But for His part, Jesus did not trust Himself to them, because He knew them all,
1 Peter 1:7
The sorrow comes in order that the testing of your faith--being more precious than that of gold, which perishes and yet is proved by fire--may be found to result in praise and glory and honour at the re-appearing of Jesus Christ.
1 Peter 4:12
Dear friends, do not be surprised at finding that that scorching flame of persecution is raging among you to put you to the test--as though some surprising thing were accidentally happening to you.
Revelation 2:23
Her children too shall surely die; and all the Churches shall come to know that I am He who searches into men's inmost thoughts; and to each of you I will give a requital which shall be in accordance with what your conduct has been.