Five Principles

1. Carefully observe oneself and one's situation, carefully observe others, and carefully observe one's environment,

2. Seize the initiative in whatever you undertake,

3. Consider fully, act decisively,

4. Know when to stop,

5. Keep to the middle.

-- Jigoro Kano's Five Principles of Judo, Jigoro Kano (28 October 1860 - 4 May 1938), founder of the Japanese martial art of judo, quoted in Budo Secrets: Teachings of the Martial Arts Masters (2002) by John Stevens