玉米是必需品，银子只是多余的。

On motivation: "I strongly believe that missionaries make better products. They care more. For a missionary， it's not just about the business. There has to be a business， and the business has to make sense， but that's not why you do it. You do it because you have something meaningful that motivates you."

The power of love is stronger than the power of force.

你必须努力才能到达顶峰，但你必须更加努力才能留在那里。