hadith
3813
۞
Imam al-Sadiq (AS) said, ‘Persevering with an action until its end is harder than [performing] the action itself.
الإمامُ الصّادقُ (عَلَيهِ الّسَلامُ) : الإبْقاءُ على العَمَلِ حتّى يَخْلُصَ أشَدُّ مِن العَمَلِ .