Imam Baqir (pbuh)
ينْبَغِي لِلْمُؤْمِنِ أَنْ يَكُونَ دُعَاؤُهُ فِي اَلرَّخَاءِ نَحْواً مِنْ دُعَائِهِ فِي اَلشِّدَّةِ
A believer must supplicate Allah in times of ease the same way that he supplicates Allah in times of difficulty
al-Kafi, v. 2, p. 488
