—— 请按键盘 空白键 开始游戏 ——

History does not long entrust the care of freedom to the weak or the timid.
领导力意味着今天做出艰难的决定,这些决定将使子孙后代受益。
You can turn over a new leaf every hour if you choose.
One does not learn computing by using a hand calculator, but one can forget arithmetic.
科学家研究自然并非因为它有用;他研究它是因为他从中获得乐趣,而他从中获得乐趣是因为它是美丽的。