“Two things are infinite: the universe and human stupidity; and I'm not sure about the universe.”

Simplified Meaning:

People can sometimes make really silly or thoughtless decisions, and there seems to be no end to it. Imagine someone who keeps walking into a glass door, even after being told it’s there. This keeps happening over and over, showing a pattern. Now, think of the universe, which is so big we can’t even measure it. The person who said this quote is trying to say that it’s easier to believe there's no limit to people making mistakes than to believe the universe is endless. To apply this to real life, we should understand that making mistakes is part of being human. Instead of being frustrated by other people's errors, it’s better to be patient and learn from them. If you see someone making the same mistake over and over, like not paying attention in class and failing tests, it’s a chance to help them understand a better way. By sharing knowledge and being compassionate, we can all grow a little wiser.