Tìm lỗi sai ạ 41. True friendship is like sound health; its value is seldom known until it is lost 42. Anybody can sympathize with the sufferings of a friend, but it requires a very fine nature to sympathize with a friends successful. 43. A friend is someone that knows the song in your heart, and can sing it back to you when you forgotten the words. 44. A friend is someone who reaches for your hand, but touching your heart. 45. A real friend is not one who only entertains you, but one who cares about you, either one who will be there when you cry.