"I have no need of artificial aids in that respect, sir."

"And like our animals, they actually walked on their own legs and did not have to be supported by artificial aids?"

One that is sturdy, free of reliance on artificial aids.

She has a dark complexion naturally, and this effect is heightened by artificial aids which cost her nothing.

Their main featured was, and is, that artificial aids to rock climbing are not permitted.

With artificial aids, Mastermind can cause only one person among many who are present to see his illusions.

Just a mob of condemned criminals and a world that wouldn't support human life for a day without artificial aids.

And it was a disquieting thought that tonight I had no artificial aids.

"Korita, what effect would the ability to read minds without artificial aids have on a culture?"

"You can hear him for miles on a still night, even without artificial aids."