“..to laugh is proper to the man.”
“Without a proper view of God there cannot exist a proper view of man.”
“The proper definition of a man is an animal that writes letters.”
“Wood burns because it has the proper stuff in it; and a man becomes famous because he has the proper stuff in him.”
“Properly trained, a man can be dog's best friend.”
“Know thyself, presume not God to scan;The proper study of mankind is man.”