The study of textual reuse is of fundamental importance in reconstructing lost or partially lost texts, passages of which can be partly recovered through other texts in which they have been embedded. Furthermore, the study of textual reuse also provides one with a deeper understanding of the modalities of the production of texts out of previous textual materials. Finally, it constitutes a unique chance to reconsider the historicity of concepts such as "author", "originality" and "plagiarism", which do not denote really existing universals, but have rather evolved-and still evolve-in different ways in different cultural milieus. After a general introduction and an analysis of the historical background of textual reuse in India and Europe, the essay attempts some general conclusions regarding the formulas introducing instances of textual reuse in Classical South Asian texts.Keywords Originality · Indian Philosophy · Textual reuse · Quotations · Plagiarism · InterlanguageThe shrewds like imitating the others and pretend that the new and the modern things are their inventions. Instead, you have to imitate the men of the past by studying the written documentation. It is by refining the art of emulation during all one's life that one becomes wise.