9:23O you who believe! Do not ally yourselves with your parents and your siblings if they prefer disbelief to belief. Whoever of you allies himself with them—these are the wrongdoers.

9:38O you who believe! What is the matter with you, when it is said to you, “Mobilize in the cause of God,” you cling heavily to the earth? Do you prefer the present life to the Hereafter? The enjoyment of the present life, compared to the Hereafter, is only a little.

9:87They prefer to be with those who stay behind. Their hearts were sealed, so they do not understand.

9:120It is not for the inhabitants of Medina and the Desert-Arabs around them to stay behind the Messenger of God, nor to prefer themselves to him. That is because they never suffer any thirst, nor fatigue, nor hunger in the cause of God, nor do they take one step that enrages the disbelievers, nor do they gain anything from an enemy, but it is recorded to their credit as a righteous deed. God does not waste the reward of the righteous.