"宗教とは私たちの知性の幼少期から残っているものであり私たちが理性と科学を指針として採用するにつれて消えていくでしょう"

Simplified Meaning:

The quote is saying that religion is like something from an older, less developed time in human thinking. It suggests that as people become more knowledgeable and rely more on facts and logical thinking, they will move away from believing in religion. Imagine how people used to make up stories to explain things they didn't understand, like why it rains or what stars are. Over time, science gave us clear answers to these questions. For example, we now know rain comes from clouds and stars are giant balls of gas in space. The quote implies that just like we've learned about rain and stars, we will also replace religious explanations with scientific understanding for other parts of life. To apply this to your life, it suggests putting more trust in proven facts and logical thinking when figuring out how the world works. Rather than relying on old beliefs that might not have evidence, you could focus on learning and using science to make informed decisions.