Sophism is when someone uses arguments that might sound convincing, but they are actually not true or logical. Think of it like a bad magician who tries to trick you into believing something that is not really true. For example, imagine someone says "If I drink this special potion, I will become invisible." This might sound exciting and you might believe it, but in reality, there is no such thing as a potion that can make you invisible.
Sophists are people who use these kinds of arguments to try to win debates or convince others of their point of view, even if it is wrong. They might use big words or complicated ideas to make it seem like they know what they're talking about, but they're really just trying to trick you.
So, it's important to be careful and listen closely to what someone is saying before you believe it. Just because someone sounds smart doesn't mean they actually are. Always ask questions and make sure the arguments being presented make sense before accepting them as true.