数学的本质不是使简单的事情复杂化，而是使复杂的事情简单化。
"The city is a labyrinth of memories, each street a thread in the web of time."
The key to successful investing is to have a long-term perspective and to stick to your investment plan.
2012年：贝索斯致股东信《长远思考才能做到不可能的事情》
