The work is also important for the early history of perception.

So, was everything about the world a matter of perception?

I need not say more to a man of your perception.

But I think that is very much a question of personal perception.

The power of perception is that which we call the Understanding.

But in terms of public perception, the connection has already been made.

He called it "both a real problem and one of perception."

There is also a complex politics of perception at work.

Now, time in itself cannot be an object of perception.

But for that to happen, Americans must win the battle of perceptions here.