"But slowly I began to use cameras and then think about what it was that was going on. It took me a long time, I mean I actually played with cameras and photography for about 20 years"

This quote by David Hockney speaks with the value of making the effort to explore and try out photography. He suggests that it took him a long period of time to understand what was happening with video cameras and photography, which he spent about 20 years playing with them. This suggests that he was client and devoted to learning the craft, which he wanted to put in the time to explore and try out various methods. This quote also talks to the significance of putting in the time to understand the craft of photography, and to be client and committed to discovering it. It is clear that Hockney thinks that making the effort to check out and explore photography is important to ending up being a successful professional photographer.