References:
1. Uncle Ben's Qutebook, B. De Jong p. 53.
2,3,8. gwb 333, 78, 214.
4,5. swb 126, 159.
6. The 7 Habits of Highly Effective People, S. Covey p. 29.
7. pup 198.
9. pdc 123.
10,11. bpr 204, 205. (2:26)

End of Book