"If his career is not refined, if he is not virtuous, if he is not humble in nature, then his heart is not expert in others' ears, so it is too much for others!" It means: if they are not proficient in their studies, if they are not cultivated in their morality, they are not gifted, or they are not as single-minded as I am. Is it someone else's fault?

The source of this sentence is:

A sentence in Song Lian's Preface to Send Ma Sheng to Dongyang in the early Ming Dynasty.

I've excerpted a passage from the relevant content for you:

Today, all the students studied in Imperial College, and the county officials have a little help every day, and their parents have the legacy of Qiu Ge at the age of 2, so they are free from the cold. Sitting under the building and reciting "Poetry" and "Book", there is no need to run around; There are teachers and doctors as teachers, who don't ask and don't tell, and those who ask but can't; All the books that should be available are collected here, so it is not necessary to record them by the hands of others, and then see them later. If they are not proficient in their studies, and their moral character has not been cultivated, if they are not gifted or qualified, they are not as single-minded as I am., can it be said that it is the fault of others?

Some excerpts from the vernacular translation are translated for your reference:

Now these students are studying in universities, the government provides meals every day, and parents send winter clothes and summer clothes every year, so there is no fear of freezing and starving; Sitting under a tall and spacious house, reading poems and books, there is no fatigue of running around; There are divisions and doctors as their teachers, but they can't get it without seeking knowledge; All the books should be concentrated here, so you don't have to copy them yourself like Song Lian, and you can borrow them from others before you can see them. (If) they are not (still) proficient in their studies and (still) lacking in virtue, (then) it is not that (his) intelligence is low, but that (his) thoughts are not as focused as Song Lian's. Is it someone else's fault?

The author introduces

Song Lian (November 4, 131-June 2, 1381), whose first name is Shou, whose name is Jing Lian, whose name is Qianxi, whose nickname is Longmenzi, Xuanzhen Dunlao, etc., is of the Han nationality. Famous politicians, writers, historians and thinkers in the late Yuan Dynasty and early Ming Dynasty, together with Gao Qi and Liu Ji, were called "the three great poets in the early Ming Dynasty", and together with Zhang Yi, Liu Ji and Ye Chen, they were also called "the four gentlemen in eastern Zhejiang".

Song Lian and Liu Ji are both famous for their prose creation, and they are called "the schools of one generation". His prose is simple and concise, or graceful and elegant, each with its own characteristics. He admired Taige literature, and his style of writing was honest and elegant, which provided a model for the literary creation of later "Taige style" writers. Most of his works are carved into seventy-five volumes of The Complete Works of Song Xueshi.