Listening to poetry makes me want to compose poetry. Therefore, I should listen to more poetry.
Watching incredible martial artists perform makes me want to train martial arts. Therefore, I should watch more incredible martial artists perform.
Seeing people act kindly, thoughtfully, and truthfully makes me want to do the same. Therefore, I should surround myself with people who act as such as frequently as I’m able.
What comes in through the senses begets more of the same back out. Choosing (controlling) what comes in is still a highly underrated strategy for controlling what comes back out.