Efficiency in grain production isn't an option—it's a necessity.

"Dream big, work hard, and never give up."

如果没有冬天的寒冷来赋予它甜蜜，夏天的温暖又有什么意义呢？

Not for the sake of our health, though it's often presented that way, but because it's an escape from the human anthill. It's an escape from our own competition, and our own dramas. And that's why ween joy looking at glaciers and oceans, and contemplating the Earth from outside its perimeters, etc. We like to feel in contact with something that is non-human, and that is so deeply important to us.