"Une prophétie est une conjecture insensée encore non teintée d'incrédulité."

Simplified Meaning:

When someone predicts the future without any real proof, they're making a guess that can often seem silly. However, as long as people still believe in that guess, it hasn't been proven wrong yet. Think about it like this: if a friend says they'll win the lottery next week, that might seem like a pretty wild guess. But as long as we don't know for sure that it’s impossible, we might still hope or believe it could happen. For instance, centuries ago, people believed that humans could someday fly. At the time, it might have sounded like a crazy idea. But the belief kept people trying and thinking, and eventually, they invented airplanes. So, the lesson here is that even guesses or predictions that seem silly might inspire belief and effort. If we believe in something, it can sometimes push us to make that thing real. This advice suggests that keeping an open mind about possibilities can be powerful. It encourages us not to dismiss ideas just because they seem unlikely at first. Instead, belief and effort can sometimes turn those wild guesses into reality.