Translate this text from Czech to English.
A vedle Boha vzývají božstva, jež nemohou jim ani uškoditi, ani prospěti, řkouce: "Tito přímluvcí jsou naši u Boha." Rci: "Zdaž pověděti chcete Bohu o něčem, co by nevěděl, na nebi i na zemi?
Translation: They worship besides Allah that which neither causes them any harm, nor brings them any benefit, and they say, 'These are our intercessors with Allah.' Say, 'Will you inform Allah about something He does not know in the heavens or on the earth?'