Little children, little sorrows; big children, big sorrows.

No man is happy but by comparison.

We are more interested in making others believe we are happy than trying to be happy ourselves.

The happiness or unhappiness of men depends no less upon their dispositions than on their fortunes....

Unbroken happiness is a bore: it should have ups and downs

It's pretty hard to tell what does bring happiness; poverty and wealth have both failed.

Believe me, every man has his secret sorrows, which the world knows not; and oftentimes we call a man cold when he is only sad.

The misery of a child is interesting to a mother, the misery of a young man is interesting to a young woman, the misery of an old man is interesting to nobody.

The world is a comedy to those that think, a tragedy to those that feel