is change;to be perfect is to change often.
提高就是要改变,而要达到完美就要不断改变。
Writing is making sense of life. You work your whole life and perhaps you've made sense of one small area.
成功不是终点,失败也非致命,重要的是继续前进的勇气。
逻辑学的研究是关于正确推理原则的研究。