设定新目标或做新梦想永远不会太老。
You are never too old to set another goal or to dream a new dream.
我不关注对手是谁,我只关注自己的目标。
我父亲总是教导我:关心和分享。这就是我们举办公开课的原因。我唯一能做的就是尝试回馈。
The trees are our elders, and they have much to teach us.
OPEC no longer holds all the cards in global oil markets.