梦想远大，从小事做起，立即行动。
The future of forestry lies in technology, but it must serve nature, not exploit it.
The security dilemma is a fundamental feature of international politics, as states' efforts to increase their own security often decrease the security of others.
如果罗马人被迫先学习拉丁语，他们就永远没有时间去征服世界。
Never let fear decide your future.