These words can make a big difference in a person's life. I think I can. Words can help us overcome difficulties, to accomplish a task we didn't think we could do. It can wreck or revive. It can ruin or restore.
Words are powerful.
Recently, it has been found that humorous, happy words make another person happy. It also helps the person saying them. It may be a big factor in curing illnesses. A former editor of the Saturday Review had odds of one in 500 of overcoming a serious illness. He bought books and records that would make him happy and make him laugh.