Cogito, ergo sum (See CSMK III 159, 161.) Another predecessor was Avicenna's "Floating Man" thought experiment on human self-awareness and self-consciousness. The 8th century Hindu philosopher Adi Shankara wrote in a similar fashion, No one thinks, 'I am not', arguing that one's existence cannot be doubted, as there must be someone there to doubt. The central idea of "cogito, ergo sum" is also the topic of Mandukya Upanishad. Spanish philosopher Gómez Pereira in his 1554 work "De Inmortalitate Animae", published in 1749, wrote ""nosco me aliquid noscere, & quidquid noscit, est, ergo ego sum"" ("I know that I know something, anyone who knows
Mr. Cogito collection published in Hebert's lifetime. Surprisingly religious, it contains 5 more texts with Mr. Cogito's name in the title. These are: "Pan Cogito a Małe Zwierzątko ("Mr. Cogito and a Small Animal"), "Pan Cogito. Aktualna pozycja duszy" ("Mr. Cogito. The Current Position of the Soul"), "Pan Cogito. Ars longa" ("Mr. Cogito. Ars Longa"), "Pan Cogito. Lekcja kaligrafii" ("Mr. Cogito. A Calligraphy Lesson"), "Zaświaty Pana Cogito" ("The Underworld of Mr. Cogito"). On one hand, they still show Mr. Cogito as willing to change the world around him, but, on the other, they express a final resignation to his fate. Mr. Cogito