I have to decide what familiar saying or proverb is hidden in two of these formally written statements. Then I need to write it in informal language.

Question

1. A single pass of the needle in sewing will oftentimes prevent the necessity of nine such passes.

2. The individual who is the final one of a group to express his amusement through appropriate vocalizations is generally the one who expresses his amusement for the greatest duration.

Answer 1

1. A stitch in time will save nine.

2. He who laughs last laughs longest.