Deuteronomy 29:6
Ye have not eaten bread, neither have ye drunk wine or strong drink: that ye might know that I am the Lord your God.
Cross-reference
Deuteronomy 8:3 explains that manna taught dependence on God's word, the same lesson as not eating bread in 29:6.
Exodus 16:12 promises manna and quail with the same purpose: 'that you may know I am the Lord your God'.
Exodus 16:35 explains that Israel ate manna 40 years, which is the bread they had instead of ordinary bread in the wilderness.
Numbers 20:8 shows God commanding Moses to provide water from the rock, which supplied drink instead of wine in the wilderness.
Nehemiah 9:15 recalls God giving bread from heaven and water from the rock, matching the wilderness provision described here.
Psalm 78:24 describes God raining down manna as bread from heaven, directly paralleling the wilderness provision.
Psalm 78:25 calls manna 'bread of angels', emphasizing its divine origin, echoing the unique provision in the wilderness.
1 Corinthians 10:4 identifies the rock that provided water as Christ, giving spiritual significance to the wilderness drink.