Alone we can do so little; together we can do so much.
Helen Keller

Walking with a friend in the dark is better than walking alone in the light.
Helen Keller

I think this is the most extraordinary collection of talent, of human knowledge, that has ever been gathered at the White House - with the possible exception of when Thomas Jefferson dined alone.
John F. Kennedy

Virtue is not left to stand alone. He who practices it will have neighbors.
Confucius

Unconditional war can no longer lead to unconditional victory. It can no longer serve to settle disputes... can no longer be of concern to great powers alone.
John F. Kennedy

Reason is not automatic. Those who deny it cannot be conquered by it. Do not count on them. Leave them alone.
Ayn Rand

Man, alone, has the power to transform his thoughts into physical reality; man, alone, can dream and make his dreams come true.
Napoleon Hill

A man is rich in proportion to the number of things he can afford to let alone.
Henry David Thoreau

I have never found a companion that was so companionable as solitude. We are for the most part more lonely when we go abroad among men than when we stay in our chambers. A man thinking or working is always alone, let him be where he will.
Henry David Thoreau

I love to be alone. I never found the companion that was so companionable as solitude.
Henry David Thoreau

The man who goes alone can start today; but he who travels with another must wait till that other is ready.
Henry David Thoreau

There is danger that we lose sight of what our friend is absolutely, while considering what she is to us alone.
Henry David Thoreau

No face which we can give to a matter will stead us so well at last as the truth. This alone wears well.
Henry David Thoreau

Wisdom alone is the science of other sciences.
Plato

I alone of English writers have consciously set myself to make music out of what I may call the sound of sense.
Robert Frost

Being a child at home alone in the summer is a high-risk occupation. If you call your mother at work thirteen times an hour, she can hurt you.
Erma Bombeck

Just as a cautious businessman avoids investing all his capital in one concern, so wisdom would probably admonish us also not to anticipate all our happiness from one quarter alone.
Sigmund Freud

We are rarely proud when we are alone.
Voltaire

Each player must accept the cards life deals him or her: but once they are in hand, he or she alone must decide how to play the cards in order to win the game.
Voltaire

Time, which alone makes the reputation of men, ends by making their defects respectable.
Voltaire