There's only one corner of the universe you can be certain of improving，and that's your own self.
宇宙中只有一芥之地你肯定可以改善，那就是你自己。
农业部门必须适应以满足不断变化的世界的需求。
True strength comes from inner peace.
Never stop learning, because the world never stops changing.
世界是一本伟大的书，那些从未离开家的人只读了一页。