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 BellIt is the man who carefully advances step by step...who is bound to succeed in the greatest degree.
Alexander Graham BellLeave the beaten track behind occasionally and dive into the woods. Every time you do you will be certain to find something you have never seen before.
Alexander Graham BellSometimes we stare so long at a door that is closing that we see too late the one that is open.
Alexander Graham Bell