You must not lose faith in humanity. Humanity is an ocean; if a few drops of the ocean are dirty, the ocean does not become dirty.

Shallow men believe in luck. Strong men believe in cause and effect.

One moment of patience may ward off great disaster. One moment of impatience may ruin a whole life.

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.

The only real mistake is the one from which we learn nothing.

To accomplish great things, we must not only act, but also dream; not only plan, but also believe.

When I was young, I used to admire intelligent people; as I grow older, I admire kind people.

Success is not the key to happiness. Happiness is the key to success. If you love what you are doing, you will be successful.

You will never be happy if you continue to search for what happiness consists of. You will never live if you are looking for the meaning of life.

Our true wealth is the good we do in this world. None of us has faith unless we desire for our neighbors what we desire for ourselves.

The function of wisdom is to discriminate between good and evil.

Without courage, wisdom bears no fruit.

Work is either fun or drudgery. It depends on your attitude. I like fun.

There is no use worrying about things over which you have no control, and if you have control, you can do something about them instead of worrying.

You're not obligated to win. You're obligated to keep trying to do the best you can every day.

The world is moving so fast these days that the one who says it can't be done is generally interrupted by someone doing it.

The cure for boredom is curiosity. There is no cure for curiosity.

To accomplish great things, we must not only act, but also dream; not only plan, but also believe.

The world is round and the place which may seem like the end may also be the beginning.

Everything that has a beginning has an end.

A thing of beauty is a joy forever.

"Do-so" is more important than "say-so."

I shall tell you a great secret my friend. Do not wait for the last judgement, it takes place every day.

Argument is the worst sort of conversation.

Love doesn't just sit there like a stone; it has to be made, like bread, remade all the time, made new.

He who refuses to embrace a unique opportunity loses the prize as surely as if he had tried and failed.

The world is a dangerous place, not because of those who do evil, but because of those who look on and do nothing.

... joy and sorrow are inseparable. . . together they come and when one sits alone with you . . . remember that the other is asleep upon your bed.

We could never learn to be brave and patient if there were only joy in the world.

Sometimes your joy is the source of your smile, but sometimes your smile can be the source of your joy.

Love makes your soul crawl out from its hiding place.

No person is your friend who demands your silence, or denies your right to grow.

It is easier to forgive an enemy than to forgive a friend.

In the ups and downs of life, friendship is one of the ups.

Love, I find, is like singing. Everybody can do enough to satisfy themselves, though it may not impress the neighbors as being very much.

Gravitation is not responsible for people falling in love.