وقتی زن نداری ، فقط زن نداری اما وقتی زن داری ، فقط زن داری Author: Aristotle Copy Quote More from Aristotle “The mathematical sciences particularly exhibit order symmetry and limitations; …” “Educating the mind without educating the heart is no education at all" …” “Where your talents and the needs of the world cross, there lies your vocation.” “A friend to all is a friend to none.”