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.
Sometimes we stare so long at a door that is closing that we see too late the one that is open.
With every door that closes a new one opens.
Before anything else, preparation is the key to success.
God has strewn our paths with wonders and we certainly should not go through life with our eyes shut
The great advantage [the telephone] possesses over every other form of electrical apparatus consists in the fact that it requires no skill to operate the instrument.
A man, as a general rule, owes very little to what he is born with – a man is what he makes of himself.
Ordinary people who know nothing of phonetics or elocution have difficulties in understanding slow speech composed of perfect sounds, while they have no difficulty in comprehending an imperfect gabble if only the accent and rhythm are natural.
The achievement of one goal should be the starting point of another.
Concentrate all your thoughts upon the work at hand. The sun’s rays do not burn until brought to a focus.
Leave the beaten track behind occasionally and dive into the woods.
Observe, Remember, Compare.