The greatest danger to American agriculture is the loss of the family farm.
在不确定的时期，目标的清晰性变得更加关键。
Sometimes we measure things and see that in the short term they actually hurt sales, and we do it anyway.
Everything is hard before it is easy. The day before something is a breakthrough， it’s a stupid idea.
The future of drones belongs to those who dare to push boundaries.
Coal built the modern world, and it's our responsibility to ensure its legacy is managed with wisdom.
唯有浅薄的人需要用数年挣脱一种情感。一个人当得了自己的主人，便可轻易终结哀伤，轻易制造快乐。