Investing in Index Funds - Is That a Good Idea?

On the personal finance club webb sit, we talked about those two big principles that are kind of front and centre. But they're also a series of about ten characteristics, or ideas, philosophies,. I want to jump through some of them. So i want to pivot to your philosophy when it comes to personal finance. Let's jump to your philosophy number four, whichis, you say, invest in index funds. Is that still a rational way to about things to day?