An-Nisa 4:122

Wallatheena amanoowaAAamiloo assalihati sanudkhiluhum jannatintajree min tahtiha al-anharu khalideenafeeha abadan waAAda Allahi haqqan waman asdaqumina Allahi qeela

But the ones who believe and do righteous deeds - We will admit them to gardens beneath which rivers flow, wherein they will abide forever. [It is] the promise of Allāh, [which is] truth, and who is more truthful than Allāh in statement.

Those who believe and do good deeds, We shall admit them to the gardens beneath which rivers flow. They shall live there forever, it being a real promise from Allah; and who is more truthful than Allah in his word?