He was convinced of the unkindness of other artists. He considered Leonardo da Vinci his enemy - a man of refinement, a respected artist, respectful and benevolent towards people. He was convinced that Leonardo was working against him to ridicule him and withhold commissions. Michelangelo looked everywhere for conspiracy theories about his person. Meanwhile, thanks to Leonardo, he received many lucrative commissions, including that of the David in Florence. He also found conspiracies in the Vatican - he had a problem with Bramanti, who was responsible for the design of the new St. Peter's Basilica.