“Most of the tools from medieval times were extensions of the physical self. Tools are now extensions of the mental self.”

“A weapon is a tool," she repeated, a little breathlessly. "A tool for killing and destroying. And there will be times when, as an Envoy, you must kill and destroy. Then you will choose and equip yourself with the tools that you need. But remember the weakness of weapons. They are an extension--you are the killer and destroyer. You are whole, with or without them.”

“What if reality (as perceived) were simply an extension of the self? Wouldn't that color the way each individual experiences the world?”

“...the magic was a tool, though a natural, mysterious tool. In its awareness of the magic, his human nature had desired to connect with it, to use it. The whisperings were the voice of his own awakening, not the seductive call of a dark power. Using it was not corruption, but a natural extension of his being. And he could control the manner in which he used it. He would.”

“Guilt [is] a tool, rather than a weapon against the self.”

“She had expected a pistol to seem light and natural-a seamless extension of her angry feral self.”