雕塑在大理石块中已经完成，在我开始工作之前。它已经在那里，我只需要凿去多余的材料。

The secret of change is to focus all of your energy not on fighting the old, but on building the new.

真正的领导力在于赋予他人实现潜力的能力。

If you have any doubt at all about being able to carry a load in one trip， do yourself a huge favor and make two trips.

Sustainability isn't a choice anymore - it's our responsibility to future generations.