Arbor Day is not like other holidays. Each of those reposes on the past, while Arbor Day proposes for the future.

Arbor Day is not like other holidays. Each of those reposes on the past, while Arbor Day proposes for the future.

植树节不同于其他节日。这些都是过去的事，而植树节是未来的事。

-- Julius Sterling Morton 朱利叶斯·斯特林·莫顿