Chiasmus is a poetic form that is common in ancient Hebrew texts. It is a parallelism in structure rather than rhyme, a parallelism of thought or idea. Bishop Lowth, whose lectures on Hebrew poetry in 1741 first introduced the name 'parallelism' for [the Hebrew] poetic style, pointed out that this structure, based as it is on meaning, survives translation into the prose of any language with remarkably little loss, unlike the poetry that relies on complex metre or or a special vocabulary. An example of chiasmus is found in Psalms 3:7-8: