——1963年6月25日在西德市政厅柏林墙前的演说
森林面临的最大威胁不是砍伐,而是漠不关心。
The past is never dead. It's not even past.
Home is not where you are born; home is where all your attempts to escape cease.
Success is not about perfection, but about continuous improvement and adaptation to change.