调夷之仇国以攻夷，师夷之长技以制夷。
调动洋人的敌对国家来攻打洋人，学习洋人先进的技术来制服洋人。
"The past is a shadow that follows us, but it is the light ahead that guides our steps."
如果你无所畏惧，你会怎么做？
The most dangerous phrase in manufacturing is 'we've always done it this way'.
不要批评你不理解的东西。
Men become civilized, not in proportion to their willingness to believe, but in proportion to their readiness to doubt.