Has anyone "rattled your cage" lately? You remember the phrase! And you've certainly heard of 'Think and Grow Rich,' the success classic written by Napoleon Hill back in 1928. upominki drewniane Though it's sold countless copies over the years and is a perennial favorite that's highly recommended to each succeeding crop of would-be entrepreneurs, it's hardly made the kind of impact on the world a book of this nature is capable of making. It kind of makes you wonder, do we think, or don't we? fajne prezenty na święta That's a question worth considering! Somewhere back in the 1600's, French philosopher Rene Descartes made his famous observation: Cogito, ergo sum -- "I think, therefore I am."