All that we see or seem
Is but a dream within a dream.
The perception of beauty is a moral test.
Our vulgar perception is not concerned with other than vulgar phenomena.
If you can get them to see the world as you do, they will think as you do. Comprehension follows perception.
I shut my eyes and all the world drops dead;
I lift my lids and all is born again.
Conscience is the internal perception of the rejection of a particular wish operating within us.
All our knowledge has its origin in our perceptions.