故内无其质而外学其文，虽有贤师良友，若画脂镂冰，费日损功。
出自汉·桓宽《盐铁论·殊路》。镂：雕刻。如果没有内在的工夫，而只学习其表面，即使有再好的老师和朋友，也还是如同在油脂上作画、在冰上雕刻一样，只是浪费时间和功夫。
孩子能独立活动时，父母可带领孩子一同认识世界。
Grit is passion and perseverance for very long-term goals.
通过经验获得的东西比通过推理获得的东西更真实、更坚实。
The world is a dark place, but there's light in it too. You just have to look for it.
真相是一面镜子，反映出我们真正的样子。
I'm not afraid to take a stand. Everybody come take my hand. We'll walk this road together, through the storm. Whatever weather, cold or warm.