כְּכֹ֤ל אֲשֶׁר־שָׁמַ֙עְנוּ֙ אֶל־מֹשֶׁ֔ה כֵּ֖ן נִשְׁמַ֣ע אֵלֶ֑יךָ רַ֠ק יִֽהְיֶ֞ה יְהוָ֤ה אֱלֹהֶ֙יךָ֙ עִמָּ֔ךְ כַּאֲשֶׁ֥ר הָיָ֖ה עִם־מֹשֶֽׁה׃
According as we hearkened unto Moses in all things, so will we hearken unto thee; only the LORD thy God be with thee, as He was with Moses.
Read halakhic rulings (Jewish law) on Joshua 1:17: and classical halakhic sources.