Originally Posted by
jdooner 
Bill Gates and Warren Buffet and several other billionaires get this, which is why they are pledging to donate 80% of their net worth to charity.
The "Andrew Carnegie Dictum" was:
To spend the first third of one's life getting all the education one can.
To spend the next third making all the money one can.
To spend the last third giving it all away for worthwhile causes.
From:
Andrew Carnegie - Wikipedia, the free encyclopedia