אִם־יֶשְׁךָ֛ מְשַׁלֵּ֥חַ אֶת־אָחִ֖ינוּ אִתָּ֑נוּ נֵרְדָ֕ה וְנִשְׁבְּרָ֥ה לְךָ֖ אֹֽכֶל׃
If thou wilt send our brother with us, we will go down and buy thee food;
Read kabbalistic (mystical) interpretation of Genesis 43:4: and classical mystical sources.