Let not your heart be troubled: you believe in God, believe also in me.
All Commentaries on John 14:1 Go To John 14
John Chrysostom
AD 407
This He says, because it was probable that when they heard they would be troubled. For if the leader of their band, one so entirely fervent, was told that before the cock crew he should thrice deny his Master, it was likely that they would expect to have to undergo some great reverse, sufficient to bend even souls of adamant. Since then it was probable that they considering these things would be astounded, see how He comforts them, saying, Let not your heart be troubled. By this first word showing the power of His Godhead, because, what they had in their hearts He knew and brought to light.
You believe in God, believe also in Me. That is, All dangers shall pass you by, for faith in Me and in My Father is more powerful than the things which come upon you, and will permit no evil thing to prevail against you. Then He adds,