Holy Qur’an 24:54

And they swear by Allah their strongest oaths that, if thou command them, they will surely go forth. Say, ‘Swear not; what is required is actual obedience in what is right. Surely, Allah is well aware of what you do.’

Translation: Maulawi Sher Ali (Ahmadiyya Muslim Jamaat)

Surah 24: An-Nur