Come to Paroh

It says in the first verse in this weeks sedra – “And Hashem said to Moshe, Come to paroh.” Surely it would of mean more appropriate to say “go to paroh!” Why does the Torah use this terminology?

R’ Menachem Mendel of Kotzk says that the term “Come to Paroh” means that Hashem is saying to Moshe: “Paroh is a powerful man, but don’t be afraid of him, come with me and I will protect you”