If you have followed his blog posts for a long time. He is very crafty in all low level programming that most of us are incapable of. And he also wrote his reflection on C++ programming language in C++ Frequently Questioned Answers.

Also I like this post from him a lot. He just likes to say things more frankly.

http://www.yosefk.com/blog/work-on-unimportant-problems.html