"In spite of his practical ability, some of his experience had petrified into maxims and quotations"

This quote by George Eliot is referring to a person who has a great deal of practical capability, however has also been formed by their experiences. The expression "scared into maxims and quotations" recommends that the person has actually taken the lessons they have actually learned and turned them into phrases or quotes that they utilize to direct their choices and actions. This might be seen as a favorable thing, as it shows that the individual has put in the time to assess their experiences and has learned from them. Nevertheless, it might likewise be seen as a negative thing, as it recommends that the person is relying too greatly on these maxims and quotes, and not utilizing their own judgement and useful capability to make decisions. Ultimately, this quote is recommending that the person has a great balance of practical capability and experience, and is utilizing both to make decisions.