וַיַּעַבְד֤וּ הָעָם֙ אֶת־יְהוָ֔ה כֹּ֖ל יְמֵ֣י יְהוֹשֻׁ֑עַ וְכֹ֣ל ׀ יְמֵ֣י הַזְּקֵנִ֗ים אֲשֶׁ֨ר הֶאֱרִ֤יכוּ יָמִים֙ אַחֲרֵ֣י יְהוֹשׁ֔וּעַ אֲשֶׁ֣ר רָא֗וּ אֵ֣ת כָּל־מַעֲשֵׂ֤ה יְהוָה֙ הַגָּד֔וֹל אֲשֶׁ֥ר עָשָׂ֖ה לְיִשְׂרָאֵֽל׃
And the people served the LORD all the days of Joshua, and all the days of the elders that outlived Joshua, who had seen all the great work of the LORD, that He had wrought for Israel.
Read kabbalistic (mystical) interpretation of Judges 2:7: and classical mystical sources.