—— 请按键盘 空白键 开始游戏 ——

预测未来的最好方法是研究过去。
The best way to predict the future is to study the past.
With a library you are free, not confined by temporary political climates. It is the most democratic of institutions because no one - but no one at all - can tell you what to read and when and how.
实际的无限出现在三种情况下:首先,当它以最完整的形式实现时,在一个完全独立的超然存在中,在上帝中,我称之为绝对无限或简称为绝对;其次,当它出现在偶然的、被创造的世界中时;第三,当心灵在抽象中把握它作为数学量、数字或顺序类型时。
Curiosity and persistence are the driving forces behind scientific breakthroughs.
The past is a foreign country; they do things differently there.
如果时空穿梭是可能的,那从未来穿越回来的旅客在哪里呢?