Hi Mohamed
Nice post - I know that the subject of Bill Gates will always provoke split opinion, but broadly, I agree with you; Bill did learn something of value and put it into practice.
By the way, if you would like to read the book that is generally credited as being the one that started Bill's career, you can get free access here ...
Master Key Course by Charles F Haanel
You have a nice site there too & I wish you well with it!