The last time I was intimidated was when I was 6 years old in karate class.
从本质上来讲,儿童的爱是单纯的,他爱,是为了获得感官印象,这种印象又给他提供了生长的养料。
The true challenge in mathematics is not solving problems, but asking the right questions.
【译文】 孔子说:“《关雎》这篇诗,快乐却不淫秽,悲哀却不伤痛。”