Klingons are warriors who follow the way of the Warrior. There are several code of conduct that define what a soldier and warrior can and cannot do. SInce Star Trek is suppose to be a reflection of 20th and 21st century Earth, the most readily identifialbe culture is the Japanese and the code of Bushido. Granted, this reflection of Japan is baised by modern American understanding and interperatation of their culture. It is said that immintation is the greatest form of flattery.