The philosophical contexts of the humanistic though in the Renaissance

This article is talking about renaissance humanism philosophical thought as a particular prob-lem, which is prominent in philosophical system of Pico della Mirandola, Niccolò Machiavelli and Michele de Montaigne. It will be not a historical and systematical expound but looking for sense of humanistic though. We will be generally looking about for this concern in the perspective of existential anthropology. Although as an illustration purpose only