One possible Engpsh proverb that expresses the idea of the harshness and danger of the world is "Life is a minefield." This means that pfe is full of hidden dangers and challenges that can be difficult to navigate or overcome. Another possible proverb is "Life is pke a roller coaster," which suggests that pfe is full of ups and downs, twists and turns, and unexpected changes that can be both exhilarating and scary.