"Everything I know, I write about. My only research is what I did"

Mort Walker's quote recommends that he relies entirely on his own experiences and knowledge to inform his writing. He does not conduct any research or look to outside sources for details. This implies that he is confident in his own understanding and experiences, which he thinks they suffice to supply the required information for his writing. It likewise suggests that he is an innovative and independent thinker, as he is not counting on the work of others to inform his own. His quote is a testament to the power of personal experience and understanding, and how it can be utilized to develop significant and impactful work.