"Labor is still, and ever will be, the inevitable price set upon everything which is valuable"

This quote by Samuel Smiles talks to the idea that effort is essential in order to attain success. He is stating that no matter what you wish to achieve, you will need to put in the effort and labor to make it happen. This is true for any endeavor, whether it is a profession, a pastime, or a relationship. Nothing of worth comes without effort and commitment. Smiles is emphasizing that effort is the only way to achieve success and that it is an inescapable part of the process. He is also recommending that the effort put in will deserve it in the end, as the rewards will be great. This quote is a pointer that success does not come simple and that it needs dedication and perseverance.