When one door closes another door opens; but we often look so long and so regretfully upon the closed door, that we do not see the ones which open for us. - Alexander Graham Bell
Man is the result of slow growth; that is why he occupies the position he does in animal life. What does a pup amount to that has gained its growth in a few days or weeks, beside a man who only attains it in as many years. - Alexander Graham Bell
Man is an animal which, alone among the animals, refuses to be satisfied by the fulfilment of animal desires. - Alexander Graham Bell
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. - Alexander Graham Bell
Before anything else, preparation is the key to success. - Alexander Graham Bell
When one door closes another door opens; but we so often look so long and so regretfully upon the closed door, that we do not see the ones which open for us. - Alexander Graham Bell
Mr. Watson — Come here — I want to see you.[First intelligible words spoken over the telephone] - Alexander Graham Bell
Concentrate all your thoughts upon the work in hand. The Sun's rays do not burn until brought to a focus - Alexander Graham Bell