Go on military expeditions with dedication and perseverance despite any hardships faced along the way .

In this hadith, the Prophet Muhammad is teaching us about the rewards for going on a military expedition. He compares a single expedition by sea to ten expeditions by land, showing us how much more rewarding it is to go on an expedition at sea. He also tells us that even if someone suffers from seasickness during their journey, they will still be rewarded as if they had been drenched in their own blood for the sake of Allah. This teaches us that even if we face difficulties or hardships while doing something good and noble, we will still be rewarded greatly for our efforts.