Matthew 14:29 WEB

²⁷  But immediately Jesus spoke to them, saying 'Cheer up! I AM!{see Exodus 3:14.} Don't be afraid.'

²⁸  Peter answered him and said, 'Lord, if it is you, command me to come to you on the waters.'

²⁹  He said, 'Come!' Peter stepped down from the boat, and walked on the waters to come to Jesus.

³⁰  But when he saw that the wind was strong, he was afraid, and beginning to sink, he cried out, saying, 'Lord, save me!'

³¹  Immediately Jesus stretched out his hand, took hold of him, and said to him, 'You of little faith, why did you doubt?'