Life in itself is short enough, but the physicians with their art, know to their amusement, how to make it still shorter.
PetrarchAlack our life, so beautiful to see, With how much ease life losest, in a day, What many years with pain and toil amassed!
PetrarchMan has no greater enemy than himself. I have acted contrary to my sentiments and inclination; throughout our whole lives we do what we never intended, and what we proposed to do, we leave undone.
Petrarch