The word 'happiness' would lose its meaning if it were not balanced by sadness.
HAPPINESS, BALANCED BY SADNESS
Happiness doesn't depend on any external conditions, it is governed by our mental attitude.
You know it's love when all you want is that person to be happy, even if you're not part of their happiness.
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
Three grand essentials to happiness in this life are something to do, something to love, and something to hope for.