—— 请按键盘 空白键 开始游戏 ——

Most people are other people. Their thoughts are someone else's opinions, their lives a mimicry, their passions a quotation.
Simplicity is a great virtue but it requires hard work to achieve it and education to appreciate it. Simplicity is the ultimate sophistication.
Children are the most honest critics; they will tell you exactly what they think.
A mathematician is a maker of patterns, like a painter or a poet.