concubines Autore: Sun Tzu Copy Quote More from Sun Tzu “El valiente puede luchar, el cuidadoso puede hacer de centinela, y el inteligen…” “It is easy to love your friend, but sometimes the hardest lesson to learn is to…” “Be extremely subtle even to the point of formlessness. Be extremely mysterious …” “There are not more than five primary colors (blue, yellow, red, white, and bl…”