إِلاَّ رَحْمَةً مِّنَّاUnless it be a mercy from Us,means, `but by Our mercy We make it easy for you to travel on land and sea, and We keep you safe until an appointed time.'Allah says:وَمَتَاعًا إِلَى حِينٍand as an enjoyment for a while.meaning, until a time that is known to Allah, may He be glorified and exalted