New Defender's Study Bible Notes
10:1 all our fathers. Although many of the Corinthian Christians were Gentiles, the Jewish patriarchs were their “fathers” in a spiritual sense, and the Old Testament record is as profitable for Gentiles now as for Jews.
10:1 under the cloud. The “cloud” was the shekinah glory cloud that both guided and protected the Israelites in their exodus from Egypt, while the “sea” was the Red Sea which God miraculously opened for them (Exodus 13:21; 14:29).