Quote by Alexander Graham Bell

The most successful men in the end are those whose success is the result of steady accretion. It is the man who carefully advances step by step, with his mind becoming wider and wider - and progressively better able to grasp any theme or situation.

Categories: perseverance, persistence, success

Please suggest source details if you know: book, page, year, online article address (url), correction (different author...), etc.. Thanks.