When he believes in the right truthfully...

When he believes in the right truthfully, his word conforms with his belief, and his action with his word. It is then that he reaches the perfection in all three aspects of belief, morality and deeds. His faith becomes pure, his character virtuous and his deeds good. Allah says: O You who believe! Fear Allah and be with the true ones (9:119). The restrictive style, "these are they who are true", puts emphasis on the description of the righteous.

It means - and Allah knows better - that if you want to find the true ones, then these are the righteous. The third…