Things perceived not with the naked eye but through the mind.
"I perceived them only at second hand, through your thoughts."
They are records of how writers perceive the world through language.
But he could not perceive it clearly through the hood.
The body can perceive spirit only through the nervous system.
However, even smaller pitch differences can be perceived through other means.
"I thought your people couldn't perceive anything through walls that thick," he said.
Robots can perceive our emotion through the way we talk.
Has the reality of them ever been perceived by you through the bodily organs?
The apparently outward world, perceived through our senses, is actually of the mind.