The phrase appears associated with him in authoritative philosophical sources, e . g ., " Berkeley holds that there are no such mind-independent things, that, in the famous phrase, esse est percipi ( aut percipere ) to be is to be perceived ( or to perceive ) ."
12.
This view can perhaps be understood from the perspective of Western philosophical idealism, where " esse est percipi " : if space does not have an objective reality, and reality itself is thought of as observer-based and a subjective entity, then ideas such as moving in space without actually physically moving are no longer uncharted possibilities.
13.
He examines each of the three terms in the Berkeleian aphorism " esse est percipi ", " to be is to be perceived ", finding that it must mean that the object and the subject are " necessarily " connected so that " yellow " and " the sensation of yellow " are identical-" to be yellow " is " to be experienced as yellow ".
