Acts 16:27 WBT

²⁵  And at midnight Paul and Silas prayed, and sang praises to God: and the prisoners heard them.

²⁶  And suddenly there was a great earthquake, so that the foundations of the prison were shaken: and immediately all the doors were opened, and every one's bands were loosed.

²⁷  And the keeper of the prison awaking out of his sleep, and seeing the prison doors open, he drew out his sword, and would have killed himself, supposing that the prisoners had fled.

²⁸  But Paul cried with a loud voice, saying, Do thyself no harm: for we are all here.

²⁹  Then he called for a light, and sprang in, and came trembling, and fell down before Paul and Silas;