数学是过去与未来的对话。
Mathematics is a conversation between the past and the future.
生活就是要冒险，尝试新事物，享受乐趣，犯错误并从中学习。
The first condition of understanding a foreign country is to smell it.
Always look at what you have left. Never look at what you have lost.
世界不是一个愿望实现的工厂。
可持续性是农业的未来，忽视它的人将被淘汰。