The size of the goldfish is determined by the size of the bowl.
*Ok. Scientifically-speaking this is probably due to poor water quality rather than a mysterious spatial awareness.
I like to think this image is symbolic of limits, especially those limits we have as educators, designers, and students of life.
This image inspires me to ask, "What imaginary limits am I responding to and reinforcing?" and "What conclusions have I reached hastily--for relief--that I may need to revisit in order to grow?"