Technology has no boundaries, but its application must have direction.
Innovation in forestry means balancing ecological health with economic viability.
It is a curious fact that strikingly similar formations are found on opposite sides of the Atlantic.
一个有趣的事实是，大西洋两岸发现了惊人相似的地层构造。
在暴君有权杀死一个国家的权利被证明之前，一个国家在必要时杀死暴君的权利永远不会被怀疑。
The truth is like the sun. You can shut it out for a time, but it ain't goin' away.
地球是一个具有特定组织的宇宙个体，一个独特的实体。