People have quoted Ephesians 2:8-9 to me. But few people never read verse 10 in that chapter. Even fewer read the whole chapter.

Choose this day who you will serve.

Yeshua said if you love me then keep my commandments. The phrases moral law and ceremonial law are not in the Bible. These phrases were invented by Rabbi's and Theologians. Yeshua said "Do not be called Rabbi". Matt 23. We are also admonished to not be spoiled by philosophy in Colossians 2.
https://www.etymonline.com/word/Theology