The substance of this verse is in Acts 10:5,6 which we read before. Cornelius might say this to excuse his sending for Peter, being a stranger to him; as also to encourage Peter to speak in such a matter as God had appeared in.
Related Commentaries of Acts 10:32
Acts 10:32
32 Send therefore to Joppa, and call hither Simon, whose surname is Peter; he is lodged in the house of one Simon a tanner by the sea side: who, when he cometh, shall speak unto thee.