Bible Verses About Reproof: Fearfulness

And he said to them: Why are you fearful? have you not faith yet? And they feared exceedingly: and they said one to another: Who is this (thinkest thou) that both wind and sea obey him?

But they being troubled and frightened, supposed that they saw a spirit.

And he said to them: Why are you troubled, and why do thoughts arise in your hearts?