Practical exercises

Observe the street from time to time, with some concern for system perhaps.
Apply yourself. Take your time.
Note down the place: The terrace of a cafe near the junction of
                                    The Rue de Bac and the Boulevarde
                                    St. Germain
                  The Time: Seven o'clock in the evening
                  The Date: 15th May 1973
             The weather: Set fair
Note down what you can see. Anything worthy of note going on.
Do you know how to see what's worthy of note? Is there anything
that strikes you?
​Nothing strikes you. You don't know how to see.

Georges Perec, Species of Spaces, 1974