EWTN Catholic Q&A
For Nikki's general question
Question from Kathy on 06-29-2014:

I have always prayed this as I make the sign of the cross before the gospel "may the Word of God be always in my mind, on my lips and in my heart."

Answer by Richard Geraghty on 07-20-2014:

Dear Cathy,

You are quite correct.

Dr. Geraghty