This subject-term we define as "I." Thus "I" means "the subject-term in Awarenesses of which I am aware."
"Mysticism and Logic and Other Essays"
Bertrand Russell
The Awarenesses we have considered so far have all been Awarenesses of particular existents, and might all in a large sense be called sense-data.
"Mysticism and Logic and Other Essays"
Bertrand Russell
And universal relations, too, are objects of Awarenesses; up and down, before and after, resemblance, desire, awareness itself, and so on, would seem to be all of them objects of which we can be aware.
"Mysticism and Logic and Other Essays"
Bertrand Russell