What this power is I cannot say; all I know is that it exists and it becomes available only when a man is in that state of mind in which he knows exactly what he wants and is fully determined not to quit until he finds it.

Concentrate all your thoughts upon the work at hand. The sun's rays do not burn until brought to a focus.

A man, as a general rule, owes very little to what he is born with - a man is what he makes of himself.

The nation that secures control of the air will ultimately control the world.

Sometimes we stare so long at a door that is closing that we see too late the one that is open.

Before anything else, preparation is the key to success.

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.

Neither the Army nor the Navy is of any protection, or very little protection, against aerial raids.

America is a country of inventors, and the greatest of inventors are the newspaper men.

What this power is I cannot say; all I know is that it exists and it becomes available only when a man is in that state of mind in which he knows exactly what he wants and is fully determined not to quit until he finds it.

Great discoveries and improvements invariably involve the cooperation of many minds. I may be given credit for having blazed the trail, but when I look at the subsequent developments I feel the credit is due to others rather than to myself.

The most successful men in the end are those whose success is the result of steady accretion.

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

Concentrate all your thoughts upon the work at hand. The sun’s rays do not burn until brought to a focus.

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.

When one door closes, another opens. But we often look so regretfully upon the closed door that we don’t see the one that has opened for us.

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.

Concentrate all your thoughts upon the work at hand. The suns rays do not burn until brought to a focus.

Great discoveries and improvements invariably involve the cooperation of many minds.

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.

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 that has opened for us.

Concentrate all your thoughts upon the work in hand. The sun's rays do not burn until brought to a focus.

A man, as a general rule, owes very little to what he is born with -- a man is what he makes of himself.

Don't keep forever on the public road, going only where others have gone and following one after the other like a flock of sheep. Leave the beaten track occasionally and dive into the woods.

A man, as a general rule, owes very little to what he is born with, a man is what he makes himself.

The day will come when the man at the telephone will be able to see the distant person to whom he is speaking.

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.

The telephone will be used to inform people that a telegram has been sent.

Roosevelt's magic lay in one facet of his personality: He knew how to take the risk. No other man in public life I knew could so readily take the challenge of the new.

Man was born free, and he is everywhere in chains.

Photography is a major force in explaining man to man.

The world is... the natural setting of, and field for, all my thoughts and all my explicit perceptions. Truth does not inhabit only the inner man, or more accurately, there is no inner man, man is in the world, and only in the world does he know himself.

I am neither a child, a young man, nor an ancient; nor am I of any caste.

I want the municipality to be a helping hand to the man with a desire of sympathy, to help the fallen when it is not in their power to help themselves.

I always looked for a man to rescue me and bring me happiness. I bought into that myth, of course, and looked for my own Prince Charming.

A desire to be observed, considered, esteemed, praised, beloved, and admired by his fellows is one of the earliest as well as the keenest dispositions discovered in the heart of man.

Nonviolence is a powerful and just weapon. which cuts without wounding and ennobles the man who wields it. It is a sword that heals.

Let me first state that I believe that marriage is a sacred union between one man and one woman.

A man must be strong in that profession, he must have vigor of body and mind, yet I am all out of breath if I walk up a hill; I have not the heart to crush even a fly.

An intelligent man is sometimes forced to be drunk to spend time with his fools.

I believe that if a man does a job as well as a woman, he should be paid as much.

For a man to strike any women is most brutal, and I, as well as everyone else, think this far worse than any attempt to shoot, which, wicked as it is, is at least more comprehensible and more courageous.

There is always a type of man who says he loves his fellow men, and expects to make a living at it.

A man may be in as just possession of truth as of a city, and yet be forced to surrender.

The bravest sight in the world is to see a great man struggling against adversity.

If a man is dumb, someone is going to get the best of him, so why not you? If you don't, you're as dumb as he is.

Happy the man who has been able to learn the causes of things.

Work is not man's punishment. It is his reward and his strength and his pleasure.

'Thou shalt not get found out' is not one of God's commandments; and no man can be saved by trying to keep it.