Love is the master key that opens the gates of happiness.
HAPPINESS, LOVE IS THE MASTER KEY
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
Happiness is beneficial for the body, but it is grief that develops the powers of the mind.
HAPPINESS, GRIEF THAT DEVELOPS THE POWER OF THE MIND
Friendship improves happiness and abates misery, by the doubling of our joy and the dividing of our grief.
HAPPINESS, FRIENDSHIP IMPROVES HAPPINESS