It's not a blog post, but I think Randy Pausch's "Last Lecture" is perhaps the most inspirational "thing" I've found on the Internet:
Ask HN: What are the most inspirational blog posts you've ever read?
21–30 of 62 posts
Re: Ask HN: What are the most inspirational blog posts you've ever read?
#22Its about story of YC incubated startup Zerocater founder, everytime I read this it makes me more stronger to work more hard.
http://techcrunch.com/2013/04/06/how-i-started-zerocater/
Re: Ask HN: What are the most inspirational blog posts you've ever read?
#23[deleted]
Re: Ask HN: What are the most inspirational blog posts you've ever read?
#24Re: Ask HN: What are the most inspirational blog posts you've ever read?
#25I Assume I am Below Average
Derek Sivers: http://sivers.org/below-average
Re: Ask HN: What are the most inspirational blog posts you've ever read?
#26Miyamoto Musashi 21 rules to live your life:
http://www.1000manifestos.com/miyamoto-musahi-21-rules-to-li...
Obstacle is the way: http://blogs.exeter.ac.uk/stoicismtoday/2013/11/26/the-obsta...
Re: Ask HN: What are the most inspirational blog posts you've ever read?
#27I Assume I am Below Average Derek Sivers: http://sivers.org/below-average
another one http://sivers.org/zipit
Re: Ask HN: What are the most inspirational blog posts you've ever read?
#28Gustavo Duarte : Lucky to be a Programmer http://duartes.org/gustavo/blog/post/lucky-to-be-a-programme...
Re: Ask HN: What are the most inspirational blog posts you've ever read?
#29the complete guide to not giving a fuck
http://inoveryourhead.net/the-complete-guide-to-not-giving-a...
Re: Ask HN: What are the most inspirational blog posts you've ever read?
#30Something small, every day.
https://medium.com/think-different-think-stupid/c6ce326612c8