Who Relies on Allah

- Who relies on his money, his money will be in a small quantity.

- Who relies on his mind, he will be lost.

- Who relies on his honor or his power, he will be humiliated and who relies on Allah, he will never be poor, never be lost and never be humiliated; really we are completely worthless without Allah. - Ali radiAllahu 'anhu

Sadaqah Jariyah

Abu Hurairah (r.a.) narrated that the Prophet (s.a.w.) said:
From among the deeds and good qualities that reach a believer even after his death are the knowledge that he taught and spread forth, a pious child that he left behind, the Mushaf (Qur’an) that he left to others, a mosque that he built, a house that he built for the travelers or a canal that he started or any charity that he gave out of his wealth during his life while he was enjoying good health. [The reward of all] this reaches him even after his death.- Ibn Majah, Ibn Khuzaimah, Baihiqi, Haakim
عَنْ ‏ ‏أَبِي هُرَيْرَةَ ‏ ‏قَالَ: قَالَ رَسُولُ اللَّهِ ‏ ‏صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ: "‏إِنَّ مِمَّا يَلْحَقُ الْمُؤْمِنَ مِنْ عَمَلِهِ وَحَسَنَاتِهِ بَعْدَ مَوْتِهِ عِلْمًا عَلَّمَهُ وَنَشَرَهُ وَوَلَدًا صَالِحًا تَرَكَهُ وَمُصْحَفًا وَرَّثَهُ أَوْ مَسْجِدًا بَنَاهُ أَوْ بَيْتًا لِابْنِ السَّبِيلِ بَنَاهُ أَوْ نَهْرًا أَجْرَاهُ أَوْ صَدَقَةً أَخْرَجَهَا مِنْ مَالِهِ فِي صِحَّتِهِ وَحَيَاتِهِ يَلْحَقُهُ مِنْ بَعْدِ مَوْتِهِ". أخرجه ابن ماجه (1/88 ، رقم 242)

Charity

Narrated Buraidah al-Aslami (r.a.) that the Prophet (s.a.w.) said: Anything that man takes out as charity, emancipates him from the 'Hayy' of seventy Shayateen.- Silsilah al-Sahihah

Hayy has been used metaphorically for whispers. Charity is done to seek the countenace i.e. the pleasure of Allah. While the shayateen want to prevent man from reaching this high status and they continuously stop him from giving charity. Wealth is beloved to the soul but when it is given in the way of Allah it becomes a source of repelling them all. This is the strongest proof of man's honesty, true intention, and sincerity.
عَنْ بُرَيْدَةَ الأَسْلَمِيِّ رَضِيَ الله عَنْهُ قَالَ: قَالَ رَسُولُ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ: "مَا يُخْرِجُ رَجُلٌ شَيْئًا مِنْ الصَّدَقَةِ حَتَّى يَفُكَّ عَنْهَا لَحْيَيْ سَبْعِينَ شَيْطَانًا". السلسلة الصحيحة

Put Knowledge into Practice

When a man sought knowledge, it would not be long before it could be seen in his humbleness, his sight, upon his tongue and his hands, in his prayer, in his speech and in his disinterest (zuhd) in worldly allurements. And a man would acquire a portion of knowledge and put it into practice, and it would be better for him than the world and all it contains – if he owned it he would give it in exchange for the hereafter.- Al-Hasan Al-Basrî

The Greatest Pre-occupation

“Whosoever loves that Allâh should open-up his heart for him and grant light to him, then let him abandon speech about that which does not concern him, and abandon sins and turn away from acts of disobedience. Then there will be between him and Allâh a hidden treasure of good actions. So if this is done, then Allâh will open up such knowledge for him, that will preoccupy him. And indeed in death is the greatest pre-occupation."Imâm al-Shâfi’î