The outstanding mathematician Chen Jingrun studied Goldbach's conjecture day and night for decades  Yao Xueyin, a famous writer, gets up at 3 am every morning, writes hard, reads books in the afternoon, studies historical materials, and works more than ten hours a day
Chen Jingrun, Yao Xueyin and Zhang Wenshu have different research methods
 Young woman Zhang Wenshu, who spends all her spare time on self-study of Chinese medicine, traditional Chinese medicine and dermatology, has become an expert in the treatment of skin diseases