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。
幸福并不容易。很难在我们内心找到它,更不可能在别处找到它。
"The past is not dead. It is not even past."
"The worst form of tyranny is the one that disguises itself as freedom."
The day you stop learning is the day you stop growing.