Sayyiduna Uqbah bin Amir (may Allah be pleased with him) said: I was walking with the Noble Prophet (peace and blessings be upon him) when he said: "O Uqbah! Recite." I asked: What should I recite? Sayyiduna Uqbah (may Allah be pleased with him) said: He remained silent, then after a while said: "O Uqbah! Recite." I again asked: What should I recite? He said: " «قُلْأَعُوذُبِرَبِّالْفَلَقِ» ". So I recited the entire surah to the end, and at that time the Messenger of Allah (peace and blessings be upon him) said: "No one who asked has asked with anything like it, and no one seeking refuge has sought refuge with anything like it."
Hadith Referenceسنن دارمي / من كتاب فضائل القرآن / 3472
Hadith Gradingتحقیق (حسین سلیم أسد الدارانی):إسناده حسن من أجل محمد بن عجلان ولكن الحديث صحيح، [مكتبه الشامله نمبر: 3483]
Hadith Takhrijمحمد بن عجلان کی وجہ سے اس روایت کی سند حسن ہے، لیکن حدیث صحیح ہے۔ دیکھئے: [نسائي 5456] ، [البيهقي فى شعب الإيمان 2564]
Brief Explanation
(Commentary on Hadiths 3470 to 3472)
That is, in seeking from Allah Ta'ala and in seeking refuge, Surah al-Falaq is very excellent, and there is no other surah like it.