Mutual fund manager performance does not persist and the return of stock picking is zero.

You have to ask yourself, what are the things that matter to you most in your life? If you have to have a latte every day that'snice to have right now, but if you take that latte every day right now, you may wind up eating cat food when you are 70. And you have to decide which is worse.

Mutual fund manager performance does not persist and the return of stock picking is zero.

The key thing about any fund is to make sure its expenses are low. You know, if you look at the funds in your plan and you see that they're all charging 1.5 and 2 percent,you've gota bad plan.

While it is probably a poor idea to own actively managed funds in general, it is truly a terrible idea to own them in taxable accounts... taxes are a drag on performance of up to 4 percentage points each year... many index funds allow your capital gains to grow largely undisturbed until you sell... For the taxable investor, indexing means never having to say you're sorry.

You have to understand your own psychology. You have to understand that human beings weren't really designed to invest. We have all these emotions that are appropriate responses if you're being chased by a tiger, but they're terrible responses if you've got a 30-year time horizon to think about investment or when you're trying to manage investment over 30 years.

You have to understand what market history looks like. What market history tells you is that the very, very best investments are made when things look the worst.