I like the motto:

"When I see I forget. When I hear I remember. When I do I understand."

Somethings just see / hear, I think I will forget it easily. But to do it, it will consolidate the memory.

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My gear:

Canon 40D

Canon EFS 10-22mm f/3.5-4.5

Canon EF 70-200mm f/4 L IS USM

Sigma 150mm f/2.8 EX DG APO HSM Macro

Nissin Di622 (Flash)

Mamiya C330

Paramender & Prismfinder

Mamiya Sekor 80mm f2.8

Mamiya-Sekor 180mm f4.5 SUPER