必须尊重过去，但不能复制过去。
The past must be respected, but not copied.
The future of agriculture depends on our ability to adapt, collaborate, and innovate together.
Sometimes the things that are most real are the things you can't see.
The only way to achieve the impossible is to believe it is possible.
解释：对上天表示恭敬，不仅是指态度上恭顺守礼，还应该具备实际内容。