The moment one gives close attention to anything, even a blade of grass, it becomes a mysterious, awesome, indescribably magnificent world in itself.
I'm intimidated by the fear of being average.
儿童不是缩小的成人,而是有其自身发展规律的个体。
数学不仅仅是关于数字、方程、计算或算法:它是关于理解的。