To lead by example is the clearest way to convince someone of the worth of your beliefs.
If you bring forth good fruit because of what you believe, others will join.
To make disciples of people, first we must be good disciples.
In the course of freeing the world, you will work alongside (good) people of different faiths, ethnicities, and walks of life.
This is a good thing.
Different world views expand our way of thinking, and encourage us to challenge our beliefs.
It makes us stronger as people.