把仁心存在自己心中是先贤的最高学问，行为中尽自己的本分是圣贤的最高功夫。
学习数学的最好方法就是做数学。
必须容许孩子选择物品，这可以让原来的发展得以持续，清除孩子尚无意识的心智之间的障碍。
When people are confronted with a problem, they often try to solve it by breaking it down into smaller parts. But sometimes, the solution lies in seeing the problem as a whole.
The most important relationship you'll ever have is the one with yourself.