Narayana Murthy founded Infosys in 1981 with just Rs. 10,000 and built it into one of the largest companies in India through hard work and strong ethical leadership. Some of Murthy's key principles included treating employees well but rewarding top performers, maintaining transparency, focusing on continuous learning and talent development, and leading through personal sacrifice and simplicity despite the company's success. Murthy also emphasized the importance of building Infosys's brand reputation through high-quality work and establishing world-class facilities to impress global clients.