—— 请按键盘 空白键 开始游戏 ——

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。
Go to heaven for the climate, Hell for the company.
The deepest insights in mathematics often come from the most abstract theories.
A proof is a device for convincing someone else that a mathematical statement is true.
Don't chase money, get in position and let money chase you.