those who believe and perform righteous deeds: (alladhīna āmanū wa-‘amilū’l-sālihāt is the subject, the predicate of which [is the following]) theirs shall be blessedness (tūbā is a verbal noun derived from tīb, ‘goodness’, or [the name of] a tree in Paradise, whose shade a mounted traveller travelling for 100 years would still not traverse) and a fair resort, [a fair] place to return to.