Morality is not the doctrine of how we may make ourselves happy, but how we may make ourselves worthy of happiness.

It is not how much we have, but how much we enjoy, that makes happiness.

Satisfaction of one's curiosity is one of the greatest sources of happiness in life.

What we call the secret of happiness is no more a secret than our willingness to choose life.

Action may not always bring happiness but there is no happiness without action.

Be more dedicated to making solid achievements than in running after swift but synthetic happiness.

Love is when the other person's happiness is more important than your own.

Always leave something to wish for otherwise you will be miserable from your very happiness.

Most folks are as happy as they make up their minds to be.

There is only one happiness in this life, to love and be loved.