The popular definition of tragedy is heavy drama in which everyone is killed in the last act, comedy being light drama in which everyone is married in the last act.
Do not mistake your objection to defeat for an objection to fighting, your objection to being a slave for an objection to slavery, your objection to not being as rich as your neighbor for an objection to poverty. The cowardly, the insubordinate, and the envious share your objections.
I finished my first book seventy-six years ago. I offered it to every publisher on the English-speaking earth I had ever heard of. Their refusals were unanimous: and it did not get into print until, fifty years later; publishers would publish anything that had my name on it.
The secret of being miserable is to have leisure to bother about whether you are happy or not. The cure for it is occupation, because occupation means pre-occupation; and the pre-occupied person is neither happy nor unhappy, but simply alive and active. That is why it is necessary to happiness that one should be tired.