If My servants ask you about Me, I am near. I answer the call of the caller when he calls on Me. They should, therefore, respond to Me and believe in Me so that, hopefully, they will be rightly guided. (Surat al-Baqara, 186)
Your Lord says: “Call on Me, and I will answer you. Those who are too proud to worship Me will enter Hell abject.” (Surah Ghafir, 60)
We will certainly help Our messengers and those who believe both in the life of this world and on the Day the witnesses appear. (Surah Ghafir, 51)
And Ayyub, when he called out to his Lord: “Great harm has afflicted me, and You are the Most Merciful of the merciful,” We responded to him, removed the harm that was afflicting him, and restored his family to him, and the same again with them, as a mercy direct from Us and a Reminder to all worshippers. (Surat al-Anbiya’, 83-84)
And Zakariyya, when he called out to his Lord: “My Lord, do not leave me on my own, though You are the Best of Inheritors.” We responded to him and gave him Yahya, restoring for him his wife’s fertility. They outdid one another in good actions, calling out to Us in yearning and in awe, and humbling themselves to Us. (Surat al-Anbiya’, 89-90)
Nuh called out to Us, and what an excellent Responder We are. We rescued him and his family from the terrible plight, and made his descendants the survivors (Surat as-Saffat, 75-77)
He Who responds to the oppressed when they call on Him and removes their distress, and has appointed you as inheritors of the land. Is there another deity besides Allah? How little you pay heed! (Surat an-Naml, 62)