The inference is that the motto "trust thyself" is based on the transcendentalist belief that A. One can ultimately rely on oneself to know what is right.
<h3>What is an inference?</h3>
It should be noted that an inference simply means the conclusion that can be deduced from the information in a story.
In this case, the inference is that the motto "trust thyself" is based on the transcendentalist belief that one can ultimately rely on oneself to know what is right.