Giovanni Pico was a writer of the Italian Renaissance period, and his speech on the dignity of man has rightly been called the "manifesto of the Renaissance”. The ideas in his speech include humanism, Neoplatonic thought, and the heretic, and each of these ideas was found to have an influence on Renaissance thinkers of the time. Humanism was the belief that humanity was good, which generally contrasted with the traditional medieval idea that humanity was naturally sinful, but the proof for this idea was that humanity had been given the gifts of image of God and his free will. The idea of ​​Neoplatonism was that there was a physical and metaphysical reality, which was first developed by Plato, but later Christians believed that the physical realm was Earth and the metaphysical realm was Heaven, for it was in heaven that the truth was found. Heretical was the belief in a theology, or philosophy, common to all cultures and religions. This idea was accepted by some Renaissance thinkers, who believed that God created everything, including other cultures and religions, so that they must have a purpose, eventually revealing the truth hidden in their writings. Pico expands on these ideas in his speech, and this helps him reach the conclusion of cherishing humanity, because he cherished God, creator of the humanities. Pico's thoughts and speech were a