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.