There is no such thing as happiness, only lesser shades of melancholy.

I write of melancholy, by being busy to avoid melancholy.

All my joys to this are folly, / Naught so sweet as melancholy.

If there be a hell upon earth it is to be found in a melancholy man's heart

Many men are melancholy by hearing music, but it is a pleasing melancholy that it causeth; and therefore to such as are discontent, in woe, fear, sorrow, or dejected, it is a most present remedy

Melancholy is the pleasure of being sad