Reliance on Allah is a very important concept in Islam. Allah subhanahu watala loves and protects those who rely on him. One of the names of Allah is Al Wakeel. The Trustee. If we trust Allah, Allah promises to be our supporter and protector.
The following Quranic verses mention the concept of tawakul which means reliance on Allah talaa as a disposer of our affairs.
Sura Al Imran Ayah (Verse) 160
١٦٠ إِنْ يَنْصُرْكُمُ اللَّهُ فَلَا غَالِبَ لَكُمْ ۖ وَإِنْ يَخْذُلْكُمْ فَمَنْ ذَا الَّذِي يَنْصُرُكُمْ مِنْ بَعْدِهِ ۗ وَعَلَى اللَّهِ فَلْيَتَوَكَّلِ الْمُؤْمِنُونَ
160 If God supports you, there is none who can overcome you. But if He fails you, who is there to help you after Him? So in God let the believers put their trust.
Sura Ibrahim Ayah (Verse) 11-12
١١ قَالَتْ لَهُمْ رُسُلُهُمْ إِنْ نَحْنُ إِلَّا بَشَرٌ مِثْلُكُمْ وَلَٰكِنَّ اللَّهَ يَمُنُّ عَلَىٰ مَنْ يَشَاءُ مِنْ عِبَادِهِ ۖ وَمَا كَانَ لَنَا أَنْ نَأْتِيَكُمْ بِسُلْطَانٍ إِلَّا بِإِذْنِ اللَّهِ ۚ وَعَلَى اللَّهِ فَلْيَتَوَكَّلِ الْمُؤْمِنُونَ
11 Their messengers said to them, “We are only humans like you, but God favors whomever He wills from among His servants. We cannot possibly show you any proof, except by leave of God. In God let the faithful put their trust.”
١٢ وَمَا لَنَا أَلَّا نَتَوَكَّلَ عَلَى اللَّهِ وَقَدْ هَدَانَا سُبُلَنَا ۚ وَلَنَصْبِرَنَّ عَلَىٰ مَا آذَيْتُمُونَا ۚ وَعَلَى اللَّهِ فَلْيَتَوَكَّلِ الْمُتَوَكِّلُونَ
12 “And why should we not trust in God, when He has guided us in our ways? We will persevere in the face of your persecution. And upon God the reliant should rely.”
Sura Furqan Ayah (Verse) 58
٥٨ وَتَوَكَّلْ عَلَى الْحَيِّ الَّذِي لَا يَمُوتُ وَسَبِّحْ بِحَمْدِهِ ۚ وَكَفَىٰ بِهِ بِذُنُوبِ عِبَادِهِ خَبِيرًا
58 And put your trust in the Living, the One who never dies; and celebrate His praise. He suffices as the All-Informed Knower of the faults of His creatures.
Sura Ahzab Ayah (Verse) 3
٣ وَتَوَكَّلْ عَلَى اللَّهِ ۚ وَكَفَىٰ بِاللَّهِ وَكِيلًا
3 And put your trust in God. God is enough as a trustee.
Sura Muzamil Ayah (Verse) 9
٩ رَبُّ الْمَشْرِقِ وَالْمَغْرِبِ لَا إِلَٰهَ إِلَّا هُوَ فَاتَّخِذْهُ وَكِيلًا
9 Lord of the East and the West. There is no god but He, so take Him as a Trustee.
Sura Talaq Ayah (Verse) 2-3
٢ فَإِذَا بَلَغْنَ أَجَلَهُنَّ فَأَمْسِكُوهُنَّ بِمَعْرُوفٍ أَوْ فَارِقُوهُنَّ بِمَعْرُوفٍ وَأَشْهِدُوا ذَوَيْ عَدْلٍ مِنْكُمْ وَأَقِيمُوا الشَّهَادَةَ لِلَّهِ ۚ ذَٰلِكُمْ يُوعَظُ بِهِ مَنْ كَانَ يُؤْمِنُ بِاللَّهِ وَالْيَوْمِ الْآخِرِ ۚ وَمَنْ يَتَّقِ اللَّهَ يَجْعَلْ لَهُ مَخْرَجًا
2 Once they have reached their term, either retain them honorably, or separate from them honorably. And call to witness two just people from among you, and give upright testimony for God. By that is exhorted whoever believes in God and the Last Day. And whoever fears God—He will make a way out for him.
٣ وَيَرْزُقْهُ مِنْ حَيْثُ لَا يَحْتَسِبُ ۚ وَمَنْ يَتَوَكَّلْ عَلَى اللَّهِ فَهُوَ حَسْبُهُ ۚ إِنَّ اللَّهَ بَالِغُ أَمْرِهِ ۚ قَدْ جَعَلَ اللَّهُ لِكُلِّ شَيْءٍ قَدْرًا
3 And will provide for him from where he never expected. Whoever relies on God—He will suffice him. God will accomplish His purpose. God has set a measure to all things.
Hadith on reliance:
Anas ibn Malik reported:
A man said, “O Messenger of Allah, should I tie my camel and trust in Allah, or should I leave her untied and trust in Allah?” The Prophet, peace and blessings be upon him, said, “Tie her and trust in Allah.”
Grade: Hasan (Darussalam)
Jami At-Tirmidhi English: Vol. 4, Book 11, Hadith 2517
Arabic reference: Book 37, Hadith 270