Make the most of your regrets; never smother your sorrow, but tend and cherish it till it comes to have a separate and integral interest. To regret deeply is to live afresh.
We turned the switch, saw the flashes, watched for ten minutes, then switched everything off and went home. That night I knew the world was headed for sorrow.
The very greatest things - great thoughts, discoveries, inventions - have usually been nurtured in hardship, often pondered over in sorrow, and at length established with difficulty.