Literature Reference: 泰山崩于前而色不变，麋鹿兴于左而目不瞬，然后可以制利害，可以待敌。—— 《史记·淮阴侯列传》 Even if Mount Tai collapses in front of you, your expression remains unchanged; even if a deer leaps to your left, your eyes do not blink. Only then can you control gains and losses and await the enemy. Source from 'Records of the Grand Historian: Biography of the Marquis of Huaiyin.'
自: Nature; the true self.
若: If, as if. This character, when used in personal names, often signifies innate beauty, elegant demeanor, and other refined qualities.
Meaning: Self-possessed describes someone who remains calm and composed, unflustered in any situation.