Even in such technical lines as engineering, about 15% of one's financial success is due one's technical knowledge and about 85% is… — Dale Carnegie Copy Share Image
[Theodore Roosevelt] was a naturalist on the broadest grounds, uniting much technical knowledge with knowledge of the daily lives and habits of… — John Burroughs Copy Share Image
![“[Theodore Roosevelt] was a naturalist on the broadest grounds, uniting much technical knowledge with knowledge of the daily lives and habits of all forms of wild life. He probably knew tenfold more natural history than all the presidents who had preceded him, and, I think one is safe in saying…” quote by John Burroughs](https://sms4smile.com/quotes/img-quotes/930/john-burroughs-1157_daily-life_theodore-roosevelt-was-a-naturalist-on-t_2947858.jpg)