历史实际上不过是人类罪行、愚蠢和不幸的记录册。
The only limit to our realization of tomorrow will be our doubts of today.
集合论的悖论不应被视为理论本身的不一致,而应被视为表明某些被认为有效的推理方法实际上并非如此。
I couldn't remember the reason for living, and when I did it wasn't convincing.