Acts 10:8

Declared all these things. The confidence Cornelius placed in those under his command is shown by his frankly telling them at once about his vision. Doubtless they had known his former hopes and prayers, and so were ready to share in the promised answer. All this throws light on the character of Cornelius, indicating that, as far as he had been able, he had tried to lead those under his influence to the truth that had brought him personally to a higher life.

To Joppa. The distance from Caesarea to Joppa was about 30 miles. Joppa was the city whence Jonah fled when called to preach to the Gentiles a message that proved to be life to them. Now, from this same city Peter was to be called to proclaim the gospel to the Gentiles.