司马光七岁的时候稳重的就像一个大人,听到老师讲解《左氏春秋》,非常喜爱,放学之后又为家人讲他所学到的,他立即也明白了《左氏春秋》的内涵.从此手里放不下书本,甚至到了忘记了饥渴,冷热的程度。
有一次,他跟小伙伴们在后院里玩耍.有个小孩爬到铜大缸上玩,失足掉到缸里的水中.别的孩子们一见出了事,放弃他都跑了.司马光却急中生智,从地上捡起一块大石头,使劲向水缸击去,水涌出来,小孩也得救了。
When sima guang was seven years old, he was as sedate as an adult. Hearing the teacher's explanation of zuo shi qiu qiu, he was very fond of it.

Once, he played with his friends in the backyard. A child climbed onto the big VAT to play, fell into the water cylinder. Other children saw an accident, give up he ran.