Innahum yakeedoona kayda (surah Tariq: 15)

Tafseer Tafheem-ul-Quran by Syed Abu-al-A'la Maududi

(86:15) They are devising a guile, *8

Innahum yakeedoona kaidaa

*8) That is, these disbelievers are devising every kind of plan to defeat the invitation of the Qur'an; they wish to blow out this candle; they are creating aII sorts of doubts In the people's minds: they are inventing false accusations against the Prophet who has brought it, so as to frustrate his mission in the world and perpetuate the darkness of ignorance and unbelief which hr is struggling so hard to remove.