农业实践中的微小改变可以对全球粮食安全产生重大影响。

Success comes when you focus on solving problems, not just making profits.

You can't direct a film unless you know what the end is going to be.

生活中唯一的限制是你自己设定的。

We must not always talk in the market-place of what happens to us in the forest.

强调资源、目标和取舍的重要性。

The only limits that exist are the ones you place on yourself.