"Happiness is like a ball; we run after it while it is rolling, and we kick it when it stops."

"Often we pass beside happiness without seeing it, without looking at it, or even if we have seen and looked at it, without recognizing it."

"The happiness of your life depends upon the quality of your thoughts."

"There is neither happiness nor misery in the world; there is only the comparison of one state with another, nothing more. He who has felt the deepest grief is best able to experience supreme happiness…"

"Man is but an ass, if he is not an eagle."