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

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

Love is the master key that opens the gates of happiness.

The word 'happiness' would lose its meaning if it were not balanced by sadness.

Some cause happiness wherever they go others whenever they go.

Happiness is beneficial for the body, but it is grief that develops the powers of the mind.

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

Be happy for this moment. This moment is your life.

Happiness is not an ideal of reason, but of imagination.

To find out what one is fitted to do, and to secure an opportunity to do it, is the key to happiness.