Divine reward for modest charity
Nahj al-Balāgha|Volume 1|Book 3|Chapter 232
٢٣٢. وَقَالَ (عليه السلام): مَنْ يُعْطِ بِالْيَدِ الْقَصِيرَةِ يُعْطَ بِالْيَدِ الطَّوِيلَةِ.
232. Amīr al-mu’minīn, peace be upon him, said: He who gives with his short hand is given by a long hand.