Obviously it's easier if you inherit money -- but this book makes the case that if you simply set aside chunks of your paycheck for investment, and invest it wisely and patiently, you eventually realize exponentially compounding returns. (The best advice I ever got was to max out my contributions to my company's 401K plan -- because it had a "company match" which was basically free money.) That got me a stake in a stock market which was rising fast. And then over the years (thanks to compounding interest) that money doubles and then doubles again in value...