Luna looked at her and shook her head. "Not changed. Influenced. Pony nature has changed subtly, as has the mindsets of all beasts and civilisation. It is subtle that any being without the perspective of millennia would not notice it, but it is there. The very air is filled with a gentle power." Luna stopped, looking at Twilight's mortified expression with sudden apprehension. "Oh! It is not forceful! In fact, it is the opposite. It does not change things; it encourages change. It facilitates peace and love. It strengthens ponies' hearts, gives them the peace to live happy lives in harmony with the world. 