There cannot be mental atrophy in any person who continues to observe, to remember what he observes, and to seek answers for his unceasing hows and whys about things.
Alexander Graham BellThe 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 - persevering in what he knows to be practical, and concentrating his thought upon it, who is bound to succeed in the greatest degree.
Alexander Graham BellAnother discovery which came out of my investigation was the fact that when one gives his or her order to produce a definite result and stands by that order, it seems to have the effect of giving one what might be termed a second sight which enables him or her to see right through ordinary problems. What this power is I cannot say; all I know is that it exists and it becomes available only when one is in that state of mind in which he or she knows exactly what one wants and is fully determined not to quit until he or she finds it.
Alexander Graham BellWherever you may find the inventor, you may give him wealth or you may take from him all that he has; and he will go on inventing. He can no more help inventing that he can help thinking or breathing.
Alexander Graham Bell