国家财富的增长主要取决于生产力的提高。
The increase of national wealth depends chiefly upon the increase of production.
统一指挥意味着员工应该只接受一个上级的命令。
People who learn to control inner experience will be able to determine the quality of their lives, which is as close as any of us can come to being happy.
人間は、自分が見たいものしか見ない。