Cross reference
Acts 17:20
20 For you bring certain strange things to our ears. We want to know therefore what these things mean."
1 Peter 4:4
4 They think it is strange that you don't run with them into the same excess of riot, blaspheming:
Hosea 8:12
12 I wrote for him the many things of my law; But they were regarded as a strange thing.
Hebrews 5:11
11 About him we have many words to say, and hard to interpret, seeing you have become dull of hearing.
1 Corinthians 2:14
14 Now the natural man doesn't receive the things of God's Spirit, for they are foolishness to him, and he can't know them, because they are spiritually discerned.
1 Corinthians 1:23
23 but we preach Christ crucified; a stumbling block to Jews, and foolishness to Greeks,
1 Corinthians 1:18
18 For the word of the cross is foolishness to those who are dying, but to us who are saved it is the power of God.
Acts 10:17
17 Now while Peter was very perplexed in himself what the vision which he had seen might mean, behold, the men who were sent by Cornelius, having made inquiry for Simon's house, stood before the gate,
Acts 2:12
12 They were all amazed, and were perplexed, saying one to another, "What does this mean?"
John 7:35-36
35 The Jews therefore said among themselves, "Where will this man go that we won't find him? Will he go to the Dispersion among the Greeks, and teach the Greeks?
36 What is this word that he said, 'You will seek me, and won't find me; and where I am, you can't come?'"
John 6:60
60 Therefore many of his disciples, when they heard this, said, "This is a hard saying! Who can listen to it?"
Mark 10:24-26
24 The disciples were amazed at his words. But Jesus answered again, "Children, how hard is it for those who trust in riches to enter into the Kingdom of God!
25 It is easier for a camel to go through a{or, the} needle's eye than for a rich man to enter into the Kingdom of God."
26 They were exceedingly astonished, saying to him, "Then who can be saved?"
Mark 9:10
10 They kept this saying to themselves, questioning what the "rising from the dead" meant.
Matthew 19:23-25
23 Jesus said to his disciples, "Most assuredly I say to you, a rich man will enter into the Kingdom of Heaven with difficulty.
24 Again I tell you, it is easier for a camel to go through a needle's eye, than for a rich man to enter into the Kingdom of God."
25 When the disciples heard it, they were exceedingly astonished, saying, "Who then can be saved?"