生命中最伟大的荣耀不在于从不跌倒,而在于每次跌倒后都能站起来。
Mathematics is not a spectator sport. You have to do it to understand it.
The most important thing is how people experience the space.
【释义】:教导媳妇要在刚过门时开始,教育孩子要从婴儿时期抓起。