The essence of mathematics lies in its ability to reveal hidden patterns and structures in the universe.

The farmer is the only man in our economy who buys everything at retail, sells everything at wholesale, and pays the freight both ways.

艺术是沉思。它是心灵的愉悦，心灵在自然中探寻，并在那里预见到自然本身所激发的精神。

写作是探索生命奥秘的一种方式。

The true use of art is to make the invisible visible.

Every challenge in farming is an opportunity to learn and grow.

石油的真正成本不仅仅是每桶的价格，还包括环境和社会影响。