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。
能克服自己的私欲,什么祸害对你都是无可奈何的了。
Nothing can stop the man with the right mental attitude from achieving his goal; nothing on earth can help the man with the wrong mental attitude.