Crossword puzzle clue "not good things to have lost"

Not good things to have lost?

Shakespeare character who says "Good night, ladies; good night, sweet ladies; good night, good night"

Poem featuring the line “‘Tis better to have loved and lost / Than never to have loved at all”

"___ better to have loved and lost than never to have loved at all"

Good things to have

Good things to have meet

Good things to have in winter

Good things to have about you in an emergency