This is going to be short. Ever wonder the amount of money, time, organizations, countries and number of people that that are part of Christian missionary work in countries around the world.
On the other hand, Muslims practically do nothing and give hardly any money to Dawah organizations. Yet, we still convert the same or even more then the Christians do.
“Actions speak louder then words.” – Famous Phrase.
Allah says in the Qur’an: “Who is better in speech than one who calls the people to Allah and does righteous deeds?”
(Surah Fusilat, 41:33)