The injurious agent in cigarettes comes principally from the burning paper wrapper. The substance thereby formed is called "acrolein." It has a violent action on the nerve centers, producing degeneration of the cells of the brain, which is quite rapid among boys. Unlike most narcotics, this degeneration is permanent and uncontrollable. I employ no person who smokes cigarettes.
Thomas A. EdisonX-rays ... I am afraid of them. I stopped experimenting with them two years ago, when I came near to losing my eyesight and Dally, my assistant practically lost the use of both of his arms.
Thomas A. EdisonThe only time I really become discouraged is when I think of all the things I would like to do and the little time I have in which to do them.
Thomas A. EdisonThe first requisite of success is the ability to apply your physical and mental energies to one problem without growing weary.
Thomas A. Edison