Nahj al-Balāgha

Hadith 1666
governance
٣٦. وَقَالَ (عليه ‏السلام): مَنْ أَطَالَ الْأَمَلَ أَسَاءَ الْعَمَلَ.
36. Amīr al-mu’minīn, peace be upon him, said: Whoever prolongs his desire ruins his actions.
Source: al-Sharīf al-Raḍī