Liberty is order.Liberty is strength. Look round the world, and admire, as you must, the instructive spectacle. You will see that liberty not only is power and order, but that it is power and order predominant and invincible - that it derides all other sources of strength. And shall the preposterous

0岁-2岁半的敏感期* 视觉&mdash&mdash刚生F来，对明暗相间的地方感兴趣。* 口&mdash&mdash包括用口进行的味觉、触觉过程。用口感觉事物、认识事物，不断练习使用牙齿、使用 舌头。* 听觉&mdash&mdash喜欢处在有声音的环境中。* 手&mdash&mdash喜欢抓东西，用手探索环境、认识世界。* 空间&mdash&mdash喜欢探索空间，最早表现为爬、抓、移动物体等，稍大一点则喜欢爬高、旋转、扔东西等。* 细小事物&mdash&mdash对极小而精致的东西感兴趣。* 秩序&mdash&mdash急切需要并保护一个精确且有秩序的环境。* 模仿&mdash&mdash最