In order to have great happiness you have to have great pain and unhappiness - otherwise how would you know when you're happy?

The greatest happiness is to know the source of unhappiness.

We call that person who has lost his father an orphan and a widower that man who has lost his wife. But that man who has known the immense unhappiness of losing a friend by what name do we call him? Here every language is silent and holds its peace in impotence.

I do not say think as I think but think in my way. Fear no shadows least of all in that great spectre of personal unhappiness which binds half the world to orthodoxy.

There is nothing in the world so much admired as a man who knows how to bear unhappiness with courage.

There is something in the pang of change More than the heart can bear Unhappiness remembering happiness.

So long as you don't feel life's paltry and a miserable business the rest doesn't matter happiness or unhappiness.

All of our unhappiness comes from our inability to be alone.