真正的数学家始终是学生，永远在学习。
A true mathematician is always a student, always learning.
释义：经历长久干旱后遇上甘霖的喜悦，比在异乡遇到老朋友还让人高兴。
The man who has begun to live more seriously within begins to live more simply without.
Sustainability isn't a trend; it's the future of food production.
"写作是一种自我发现的过程，每一次写作都是一次心灵的旅程。"