To be wealthy one must establish a continuous event where an input is greater than an output. This means after all the spending there should always be an extra money left. The bigger the better. It all comes down to financial management after all strategies and the source of income is established. Working hard will surely give us benefit and may earn us money for our daily needs but it is not enough, it should be coupled with working smart, time management and financial management along with savings and smart investments that can exponentially grow our money.
Most of Robers Kiyosaki's books are for mind conditioning but it never truly reveals the true process of being rich. At the end of the day it is still the reader that has to figure out what to do to achieve their goal.