Loading... Please wait...Think for Yourself, Question Autority. A famous Timothy Leary quote used as the intro for Tool's song "Third eye" Third Eye is a progressive metal song by Tool that closes the band's 1996 album Ænima. Known for its atmospheric introduction, complex structure, and intense emotional build-up, the song explores themes of self-discovery, altered perception, and personal transformation. Its lyrics encourage listeners to question their assumptions and expand their awareness, symbolized by the concept of a “third eye.” Widely regarded as one of Tool’s most ambitious and powerful tracks, “Third Eye” showcases the band’s signature blend of heavy instrumentation, philosophical themes, and intricate songwriting.