"If one scheme of happiness fails, human nature turns to another; if the first calculation is wrong, we make a second better."
– Jane Austen
"You desire to know the art of living, my friend? It is contained in one phrase: make use of suffering."
– Henri Frédéric Amiel
"The pessimist sees difficulty in every opportunity. The optimist sees the opportunity in every difficulty."
– Winston Churchill
"Happiness is a butterfly, which, when pursued, is always just beyond your grasp, but which, if you sit down quietly, may alight upon you."
– Nathaniel Hawthorne
"Happiness is neither virtue nor pleasure nor this thing nor that but simply growth. We are happy when we are growing."
– William Butler Yeats