Deuteronomy 6:13

אֶת-יְהוָה אֱלֹהֶיךָ תִּירָא וְאֹתוֹ תַעֲבֹד וּבִשְׁמוֹ תִּשָּׁבֵעַ

King James Version (KJV)

It is the LORD your God you shall fear. Him you shall serve and by his name you shall swear.

Modern English

You shall fear Yahweh your God; and you shall serve him, and shall swear by his name.