HAPPINESS, NEVER MAKE FRIENDS WITH PEOPLE WHO ARE ABOVE OR BELOW YOU IN STATUS
I do believe that if you haven't learnt about sadness, you cannot appreciate happiness.
HAPPINESS, BELIEVE THAT IF YOU HAVEN'T LEARN ABOUT SADNESS
The word 'happiness' would lose its meaning if it were not balanced by sadness.
HAPPINESS, BALANCED BY SADNESS
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