30 Seconds to Mars (album) the ancient Chinese military treatise "The Art of War", attributed to Sun Tzu. The track "Revolution", excluded from the final track listing, was considered by some critics as having an anti-American tone. Leto rejected the claim and explained that it can be taken "many different ways" and if taken literally or politically, it could be misinterpreted. He said that the band "didn't want a song like that to overshadow what we are about" and especially after the September 11 attacks, they felt it did not fit thematically with the rest of the album, stating that "it took on new dimensions".
What Is Art? to justify their own tastes. Jahn notes the "often confusing use of categorisation" and the lack of definition of the key concept of emotion. Bayley writes that "the effectiveness of "What is Art?" lies not so much in its positive assertions as in its rejection of much that was taken for granted in the aesthetic theories of the time". Noyes criticises Tolstoy's dismissal of beauty, but states that, "despite its shortcomings", "What is Art?" "may be pronounced the most stimulating critical work of our time". Simmons mentions the "occasional brilliant passages" along with the "repetition, awkward language, and loose terminology".