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。
For every dollar you spend purchasing something substantial， expect to pay a dollar in repairs， maintenance， or disposal by the end of its life.
To be free is not to have the power to do anything you want, but to have the power to do what is right.
Mathematics is a collaborative endeavor. No one does it alone.
The ocean does not belong to us; we belong to the ocean.
Patience is the most important skill in life.
你的缺点让你独特，拥抱它们。
凡是创作古文，必须推究前代文章的本意，以此展现自己的学问。