The gallery includes highlights of a myriad of these posters listed on Hulk 4598's Flickr site.
Part of what makes these posters stand out is the use of typography and the overall retro feel of the posters.
Famous quotes have been on posters forever, but these are very nicely done by Hulk 4598.
Implications - He manages to capture the simplicity of most of this advice and blend it with the kind of brash attitude needed for success in this dog eat dog world. Consider it inspirational poster material, many of these would look fantastic on a wall. Hulk 4598 has struck gold.