成功不是终点，失败也不是致命的，重要的是继续前进的勇气。
Success is not final, failure is not fatal: it is the courage to continue that counts.
我不害怕说出我的想法。
When I was in college， I wanted to be involved in things that would change the world.
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。