O Allah, nothing is easy except what You make easy. If You will, You can make so — Success

اللَّهُمَّ لَا سَهْلَ إِلَّا مَا جَعَلْتَهُ سَهْلًا وَأَنْتَ تَجْعَلُ الْحَزْنَ إِذَا شِئْتَ سَهْلًا

Transliteration: Allaahumma laa sahla illaa maa ja'altahu sahlan wa anta taj'alul-hazna idhaa shi'ta sahlaa

Translation: O Allah, nothing is easy except what You make easy. If You will, You can make sorrow easy.