Socks by Bob, knitting warmth for those in need

Bob Rutherford, a retired experimenter, knits socks for charity using self-made machines. After his wife's passing, he found purpose in knitting socks for those in need. With the help of a team, Bob distributes thousands of socks to homeless shelters across Canada. His story emphasizes the importance of finding purpose and staying involved in the community.

Why does Bob believe knitting socks for needy people is important?

What does Bob suggest is the key to life?