Hadith no. 2490 (below) is a repeat. Read it here.
Volume 4, Book 52, Number 95 :
Narrated by Abu Said Al-Khudri (radiallaahu `anhu)
Allah’s Apostle (sallallaahu `alayhi wasallam) ascended the pulpit and said, “Nothing worries me as to what will happen to you after me, except the temptation of worldly blessings which will be conferred on you.” Then he mentioned the worldly pleasures. He started with the one (i.e. the blessings) and took up the other (i.e. the pleasures). A man got up saying, “O Allah’s Apostle! Can the good bring about evil?” The Prophet (sallallaahu `alayhi wasallam) remained silent and we thought that he was being inspired divinely, so all the people kept silent with awe. Then the Prophet (sallallaahu `alayhi wasallam) wiped the sweat off his face and asked, “Where is the present questioner?” “Do you think wealth is good?” he repeated thrice, adding, “No doubt, good produces nothing but good. Indeed it is like what grows on the banks of a stream which either kills or nearly kills the grazing animals because of gluttony except the vegetation-eating animal which eats till both its flanks are full (i.e. till it gets satisfied) and then stands in the sun and defecates and urinates and again starts grazing. This worldly property is sweet vegetation. How excellent the wealth of the Muslim is, if it is collected through legal means and is spent in Allah’s Cause and on orphans, poor people and travelers. But he who does not take it legally is like an eater who is never satisfied and his wealth will be a witness against him on the Day of Resurrection.”
Volume 4, Book 52, Number 96 :
Narrated by Zaid bin Khalid (radiallaahu `anhu)
Allah’s Apostle (sallallaahu `alayhi wasallam) said, “He who prepares a Ghazi going in Allah’s Cause is given a reward equal to that of) a Ghazi; and he who looks after properly the dependents of a Ghazi going in Allah’s Cause is (given a reward equal to that of) Ghazi”
Volume 4, Book 52, Number 97 :
Narrated by Anas (radiallaahu `anhu)
The Prophet (sallallaahu `alayhi wasallam) used not to enter any house in Medina except the house of Um Sulaim (radiallaahu `anhaa) besides those of his wives. When he was asked why, he said, “I take pity on her as her brother was killed in my company.”
We are often faced with restrictions and limitations when it comes to spending our time and/or efforts in Allah’s Cause. We’re either busy with other obligations or bound by (lack of) availability of means. Well here’s a good news for us: if we support those who are active in the Cause and their dependents, we get the same reward as them. This is by analogy, of course.
Sadaqah has various levels and ranks. If you give some money to a poor person, it’s a very good deed indeed. But if you spend that money on a student of knowledge, the rewards are huge! You get rewarded for sadaqah, and you get the reward equal to the student because you’re supporting him, and later on when he starts teaching, you get rewarded for every single person he benefits. And the cycle continues. This is sadaqah jaariyah. Is it not a better option?