There is no wasted journey in life, every step counts.
世间之事如同棋局般变化无常,人情则像纸一样淡薄。
The only way to achieve sustainable growth is to embrace change and challenge the status quo.
每一个超限的一致多重性,即每一个超限集合,必须有一个确定的阿列夫作为其基数。