Arie'mnu - Literally "Emotion Mastery". This is the philosophy Vulcans in the Star Trek universe follow. It basically states that in order for one to achieve inner peace one must master one's passions. This does not mean ignore them. Quite the contrary. It simply means one should not let ones emotions take control of one's actions. All actions should be logically in favor of the greater good which is usually defined as peace, balance, harmony of all living things, etc