Summary
This quote emphasizes that the actions and achievements of an individual are limited by their level of passion and determination. It suggests that one's potential for success is determined by the depth of their emotional investment in a goal or aspiration. Just as the hand can only physically extend as far as the heart's desire, our efforts and abilities are bound by the level of commitment and drive we bring forth. Thus, it encourages individuals to align their actions with their passions in order to maximize their potential for success.