"Although slowly walking, but still willing to walk."
The snail is indeed destined to be able to walk with it just like that, so slow even if only to move a few centis. But look, the snail is still willing to walk. He kept gradually crawling with his body. In contrast to other animals that can move quickly. That's how a snail he keeps running in his own way and his own ability.

"The weight of the shell is not a burden to be regretted, but it is something that is very protective."
The snails are already slow, still have a heavy shell. Almost all parts of his body covered by shell. But just observe then we have actually realized something special. The shell is not a burden to the slug, so he will not walk. It is precisely the shell that protects it from various other animals who want to eat it.

"Often said to be disgusted by the mucus, but it is beneficial for wound healing."
The snail is often considered a disgusting animal. Animals are slimy and make ourselves uncomfortable to hold it. But behind its nature like that, snails are animals that are often used by humans to heal wounds. That's because the mucus that is in the snail's body is able to eradicate many bacteria and help in the closure of the wound. Until not infrequently people still use it as an alternative way of first aid when the body is injured.