Soke Gichin Funakoshi introduced 5 guiding principles intended to demonstrate the philosophical context of Karate training.
Each person must strive for the completion and perfection of one's character
Each person must be faithful and protect the way of truth
Each person must endeavor (fostering the spirit of effort)
Each person must respect others and the rules of etiquette
Each person must refrain from hot blooded behavior (guard against impetuous courage)