Best in Life? Teaching; making a difference. The relationship between man and his best friend (dog). OH To conquer the world in regards to barbarians.
To crush your enemies, see them driven before you... and to hear the lamentation of their women! - Conan the Barbarian
...I'm going for the non-Conan, genghis khan answer...since I think those have already been well done What is good in life? Blood running down your sword, and a trail of the slain behind you.
Although this going to be completely different than the Conan and Khan answers, I'm going to go with: knitting and cooking If you've ever seen Dave the Barbarian, you'd understand Bajabbers!