每个个体都很重要。每个个体都有自己的角色。每个个体都能带来改变。

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

读书求明理，须让自己满意；与别人谈道理，须令别人佩服。

We must balance immediate energy needs with long-term sustainability goals.