The only way to do great work is to love what you do.
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.
一个人的力量，是他当前的手段，以获得未来明显的好处。