“There are as many nights as days, and the one is just as long as the
other in the year's course. Even a happy life cannot be without a
measure of darkness, and the word 'happy' would lose its meaning if it
were not balanced by sadness."
"Happiness is as a butterfly which, when pursued, is always beyond our
grasp, but which if you will sit down quietly, may alight upon you."
While we Americans mostly think of the authors of our Declaration of Independence as very wise people, they did include the phrase, as a right, "...the pursuit of happiness." Now, most who ponder these things say that, in fact, you can't try for happiness and that it may appear when you least expect it. The thing to do is to notice it .