Optimism is the faith that leads to achievement. Nothing can be done without hope and confidence.
Helen Keller

People do not like to think. If one thinks, one must reach conclusions. Conclusions are not always pleasant.
Helen Keller

Science may have found a cure for most evils; but it has found no remedy for the worst of them all - the apathy of human beings.
Helen Keller

Security is mostly a superstition. It does not exist in nature, nor do the children of men as a whole experience it. Avoiding danger is no safer in the long run than outright exposure. Life is either a daring adventure, or nothing.
Helen Keller

Self-pity is our worst enemy and if we yield to it, we can never do anything wise in this world.
Helen Keller

Smell is a potent wizard that transports you across thousands of miles and all the years you have lived.
Helen Keller

So long as the memory of certain beloved friends lives in my heart, I shall say that life is good.
Helen Keller

Strike against war, for without you no battles can be fought!
Helen Keller

The best and most beautiful things in the world cannot be seen or even touched - they must be felt with the heart.
Helen Keller

The heresy of one age becomes the orthodoxy of the next.
Helen Keller

The highest result of education is tolerance.
Helen Keller

The marvelous richness of human experience would lose something of rewarding joy if there were no limitations to overcome. The hilltop hour would not be half so wonderful if there were no dark valleys to traverse.
Helen Keller

The most beautiful things in the world cannot be seen or even touched, they must be felt with the heart.
Helen Keller

The most pathetic person in the world is someone who has sight, but has no vision.
Helen Keller

The only thing worse than being blind is having sight but no vision.
Helen Keller

The world is moved along, not only by the mighty shoves of its heroes, but also by the aggregate of tiny pushes of each honest worker.
Helen Keller

There is no king who has not had a slave among his ancestors, and no slave who has not had a king among his.
Helen Keller

To me a lush carpet of pine needles or spongy grass is more welcome than the most luxurious Persian rug.
Helen Keller

Toleration is the greatest gift of the mind; it requires the same effort of the brain that it takes to balance oneself on a bicycle.
Helen Keller

True happiness... is not attained through self-gratification, but through fidelity to a worthy purpose.
Helen Keller