世界是一个危险的地方,不是因为那些作恶的人,而是因为那些旁观而不作为的人。
The world is a dangerous place, not because of those who do evil, but because of those who look on and do nothing.
理论物理学之于数学,犹如雕塑之于大理石块。
The quarry industry must evolve with technology, or risk being left behind.