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How it feels when you sacrifice yourself in order to save your team; while the enemies swarm at you...
Think of energy, frequency, and vibration.
Curiosity is the single most important attribute with which humans are born. More than a simple desire to discover or know things, curiosity is a powerful tool, like a scalpel or a searchlight. Curiosity changes us. It is also a way to effect change, perhaps even on a global level.