可持续性不是一种选择;它是我们对后代的责任。
Sustainability isn't an option; it's a responsibility we owe to future generations.
Grief is love turned into an eternal missing.
所有老年人共享的大秘密是,你在七八十年里真的没有改变。你的身体改变了,但你一点也没变。当然,这会引起很大的困惑。
你的时间有限,所以不要浪费在过别人的生活上。
You have to believe in yourself when no one else does.
A physical symbol system has the necessary and sufficient means for general intelligent action.