Moses knew that Jehovah is trustworthy, and he exercised faith in Jehovah’s promise to execute the firstborn sons in Egypt.
فَهُوَ يَرَى كُلَّ ٱلَّذِينَ يُعَانُونَ مِنَ ٱلظُّلْمِ ،‏ يَتَعَاطَفُ مَعَهُمْ ،‏ وَيُسَاعِدُهُمْ .‏