诚实守信是每个人都要遵守,也都必须遵守的原则,它是一种道德品质,是做人做事的基本准则,也是公认的无价之宝。在这里,我要讲一个真实的故事。记得那是小学时的一次春游之前,妈妈答应给我买一卷胶卷。却不曾想,后来妈妈却以一声淡漠的“忘了”回答了我。从此,我改变了记忆中妈 Honesty and trustworthiness are principles that everybody must abide by and must abide by. It is a moral quality, a basic criterion for doing things, and it is also recognized as a priceless treasure. Here, I want to tell a real story. I remember that before the spring tour in elementary school, my mother promised to buy me a roll of film. Did not think, but later my mother answered me with a faint indifference. Since then, I have changed my mother’s memory