Love is the master key that opens the gates of happiness.
HAPPINESS, LOVE IS THE MASTER KEY
You know it's love when all you want is that person to be happy, even if you're not part of their happiness.
The happiness of this life depends less on what befalls you than the way in which you take it.
HAPPINESS, LIFE DEPENDS LESS ON WHAT BEFALLS
Morality is not the doctrine of how we may make ourselves happy, but how we may make ourselves worthy of happiness.
HAPPINESS, HOW WE MAKE OURSELVES HAPPY
Success is not the key to happiness. Happiness is the key to success. If you love what you are doing, you will be successful.
HAPPINESS, HAPPINESS IS THE KEY TO SUCCESS
Everyone chases after happiness, not noticing that happiness is right at their heels.
To find out what one is fitted to do, and to secure an opportunity to do it, is the key to happiness.
HAPPINESS, SECURE AN OPPORTUNITY TO DO IT