Great discoveries and improvements invariably involve the cooperation of many minds.
Other Alexander Graham Bell quotes:
The most successful men in the end are those whose success is the result of steady accretion.
A man, as a general rule, owes very little to what he is born with - a man is what he makes of himself.
Concentrate all your thoughts upon the work at hand. The sun's rays do not burn until brought to a focus.
The achievement of one goal should be the starting point of another.
The only difference between success and failure is the ability to take action.
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.
Before anything else, preparation is the key to success.