身份不是固定的;它是流动的,不断演变的。
"Identity is not fixed; it is fluid and constantly evolving."
"The only way to learn mathematics is to do mathematics."
每一次挫折都是为了卷土重来。
不懂装懂,这是最愚蠢之举;无事而自寻烦恼,这是命中福浅。