Small changes in farming practices can lead to big impacts on global food security.
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。
Old minds are like old horses; you must exercise them if you wish to keep them in working order.
Every day is a new opportunity.
"Think wrongly, if you please, but in all cases, think for yourself."
I was no good at art, so I thought I'd better be an artist.