It is so hard to pick just one. His blog on How to Build a High Traffic website was great (though I was on track in many areas) but really Steve helps people shine by making them reflect.
Therefore, the best read and most influential (so far) was:
http://www.stevepavlina.com/blog/200...ut-20-minutes/
And after discovering my purpose in life it brought me to tears...a very hard task to do and a rare event for me to cry.
Thank you SP!