The meaning of the saying of Allah the Exalted:

Question:
He says regarding the noble verse: If a person has the ability to live in comfort, does this noble verse apply to him? And what is the meaning of “And as for the favor of your Lord, then speak of it”?

Answer:
That is, mention it, mention it with your tongue, believe in it with your heart, and act upon it and utilize it in obedience to Allah. The pillars of gratitude are three; the pillars of thanking for a favor are three: speaking of it outwardly, acknowledging it inwardly, and spending it in the obedience of the One who bestowed it and granted it. These are the pillars of gratitude. Yes.