Luke 24:38

but he said to them, "Why are you upset? Why do doubts invade your mind?

Matthew 16:8

When Jesus noted this he said, "How little trust you have in me! Why all this talk, because you have brought no bread?

Hebrews 4:13

And no created thing is hidden from him; all things lie open and exposed before the eyes of him with whom we have to reckon.

Treasury of Scripture Knowledge

Summary

And he said unto them, Why are ye troubled? and why do thoughts arise in your hearts?

Bible References

And why

Matthew 16:8
When Jesus noted this he said, "How little trust you have in me! Why all this talk, because you have brought no bread?
Hebrews 4:13
And no created thing is hidden from him; all things lie open and exposed before the eyes of him with whom we have to reckon.