Sing "This is the Day" in Hebrew this Sunday at church.
For those who know how to read Hebrew, this is a very simple verse that can be learnt and memorised easily.
Zeh (This is) ha-yom (the day that) asah (made) Adonai (Lord)
Translation: This is the day that the Lord has made
Nagilah (Let us rejoice) venishmechah (and be glad) vo (in it)
Translation: Let us rejoice and be glad in it.