Prolegomena to Any Future Metaphysics That Will Be Able to Present Itself as a Science is a book by German philosopher Immanuel Kant, published in 1783, two years after the first edition of his Critiq
Immanuel Kant portrait c 1790
The World as Will and Representation, sometimes translated as The World as Will and Idea, is the central work of the German philosopher Arthur Schopenhauer. The first edition was published in late 181
The title page of the expanded 1844 edition
Schopenhauer in 1815, second of the critical five years of the initial composition of Die Welt als Wille und Vorstellung
The phrase "Tat Tvam Asi" ('thou art that'), one of the Mahāvākyas of the Upanishads, displayed on an Indian temple. Schopenhauer uses this Sanskrit phrase to express a foundational tenet of his ethics: 'the will is the in-itself of every appearance, and as such is itself free from the form of appearance, and thus from all multiplicity' (Book IV, §66).