Quotes of Alexander Graham Bell | Do-Discover and Develop |

• "When one door closes, another opens; but we often look so long and so regretfully upon the closed door that we do not see the one which has opened for us."
• "Concentrate all your thoughts on the work at hand. The sun's rays do not burn until brought to focus."

- Alexander Graham Bell
(Inventor of the first practical telephone, Scientist Engineer, Professor, and Teacher of the hearing impaired)