No child should ever be too sad to play.

The amusements of life, he argued, should be accepted with the same philosophy as its ills. ("The Striding Place")

There were happy days, with watermelon, and sad days of whiskey.

Then he thought himself unhappy, but happiness was all in the future; now he felt that the best happiness was already in the past.

Sadness is not the beginning or end of a process, but the lag between pleasure and happiness.

Sometimes you have to get sad before you get happy 'cause otherwise how would you know the difference?