וּבְנֵ֣י יִשְׂרָאֵ֗ל אָֽכְל֤וּ אֶת־הַמָּן֙ אַרְבָּעִ֣ים שָׁנָ֔ה עַד־בֹּאָ֖ם אֶל־אֶ֣רֶץ נוֹשָׁ֑בֶת אֶת־הַמָּן֙ אָֽכְל֔וּ עַד־בֹּאָ֕ם אֶל־קְצֵ֖ה אֶ֥רֶץ כְּנָֽעַן׃
And the children of Israel did eat the manna forty years, until they came to a land inhabited; they did eat the manna, until they came unto the borders of the land of Canaan.
Read kabbalistic (mystical) interpretation of Exodus 16:35: and classical mystical sources.