There is a earlier post on Steve Jobs and Innovation in The Secret of Great Innovation from Obama’s Tribute to Steve Jobs.
This mind-map below is a group from his sayings:
For Steve Jobs' inspiring speech in 2005 see Follow Your Heart - Learning from Steve Jobs' Commencement Speech
More innovation articles can be found on my Bvotech Blog and this mind-value blog.
Lim Liat copyrighted 9 Oct 2011
Update 8 Apr 2012
Added in parts of Steve Jobs' speech in March 2011 introducing iPad2, point 14 & 15.