一个好的经济学家必须既是科学家，又是人文主义者。

As Will Rogers would have said, "There is no such thing as a free variable."

The universe is asymmetric and I am persuaded that life, as it is known to us, is a direct result of the asymmetry of the universe or of its indirect consequences.

畜牧业的每一个挑战都是创新的机会。

未来属于那些能够平衡利润与目标的人。