The stone industry needs to embrace technology while preserving tradition.
Man's survival, from the time of Adam and Eve until the invention of agriculture, must have been precarious because of his inability to ensure his food supply.
We are what we pretend to be, so we must be careful about what we pretend to be.
正确陈述的反面是错误陈述。但一个深刻真理的反面很可能是另一个深刻真理。