Innovation in forestry means finding ways to do more with less.

解释：人有知识，犹如树木有枝叶，树木有了枝叶，能带给人阴凉，人有了知识，就可以为人民做更多的事。

The impact of a scientific discovery can be profound, often reaching far beyond the initial expectations.

A Jewish man with parents alive is a fifteen-year-old boy, and will remain a fifteen-year-old boy until they die!