Marx is a great man, and he is also a human being with flesh and blood. He loves life, is sincere and simple, and values love. Marx and Engels' revolutionary friendship lasts for 40 years, as Lenin said; "There are various very touching friendships in ancient legends. The story ", but the friendship between Marx and Engels" surpassed all the most touching legends of the ancients about human friendship ". Based on the above statement, which of the following can be derived? ['Some great men love life and love justice.', "Ancient people's very touching friendships generally do not exceed 40 years.", 'Engels also loves life, is sincere and simple, and values love.', 'Lenin is also a great man and an ordinary person with flesh and blood.']