Then I might have dismissed any sim-adventure as something purely mental.

Since the effect would be purely mental, Luther should experience it too.

In the number Nine we reach the last of the purely mental qualities.

Does the fixity on a particular occasion set in as a purely mental act of knowledge?

It's just that we're used to living in a purely mental state, and most other creatures are not.

The union which, as we were saying, the mind often experiences of purely mental feelings.

The alien technology might be purely mental, with no visible hardware at all.

Poor thing, she didn't realize that the stimulation he meant was purely mental.

She opened herself cautiously, and "touched" it with a purely mental hand.

Though stress is a purely mental phenomenon, it can have some very serious and real effect on your physical health.