God says in Verse 83 of Surah Al-Baqarah: “Speak of goodness to people. Establish your prayers and pay the obligatory charity.”
We can promote Salah through our good behavior and treating people well.
We should know that the number of those embracing Islam after seeing the Holy Prophet’s (PBUH) good behavior and Seerah was higher than those becoming Muslim through rational reasoning.
One should even treat unbelievers who argue with him with the best manner, that is, he should first accept their good points and then offer his own views.