Louis Daguerre quotes:

...the daguerreotype is not merely an instrument which serves to draw Nature; on the contrary it is a chemical and physical process which gives her the power to reproduce herself.

I have seized the light. I have arrested its flight.

The discovery I announce to the public is one of the small number which, by their principles, their results, and the beneficial influence which they exert upon the arts, are counted among the most useful and extraordinary inventions.