你每花一块钱购买一些实质性的东西，预计在其寿命结束时要支付一块钱的维修、保养或处理费用。
理论物理学之于数学，犹如雕塑之于几何学。
"The world is full of stories, but only a few are worth telling."
The greatest investment you can make is in yourself.
永远不要让恐惧决定你的未来。