—— 请按键盘 空白键 开始游戏 ——

The human heart is the most deceitful of all things, and desperately wicked. Who really knows how bad it is?
Learning consists in the modification of certain mediating processes which operate between the stimulus and the response.
有些人特别善于了解自己的知识极限,因为他们必须这样做。
Le Bonheur! Sa dent, douce à la mort, m'avertissait au chant du coq, — ad matutinum, au Christus venit, — dans les plus sombres villes.