| Yasui Sokken | |
| Native Name: | 安井 息軒 |
| Birth Date: | 1 January 1799 |
| Birth Place: | Kiyotake Hyūga Province, Japan |
| Death Place: | Tokyo, Japan |
| Known For: | Classical scholar of Confucianism |
| Occupation: | Teacher, His students numbered 2000 including influential people |
| Nationality: | Japanese |
was a classical scholar of Confucianism from Obi Domain, Hyūga Province (now Kiyotake Miyazaki Prefecture) Japan. He educated many notable personalities of Bakumatsu and early Meiji period Japan, including Tani Tateki, Mutsu Munemitsu and Shinagawa Yajiro. His child name was Junsaku and later his name was Chuhei. His Art-name was Sokken. His wife Sayo was the model for Mori Ogai's historical novel Mrs. Yasui. His famous quote is: The plan for the day is in the morning. The plan for the year is in the spring. The plan for the whole life is in the youth.
Yasui was the second son of Yasui Koshu, a samurai of Obi domain whose served the Itō clan, the daimyō of Obi Domain, for generations. When he was a child he contracted smallpox, and the smallpox scars on his face left him disfigured and blind in one eye. Under the influence of his father, who was a scholar, he aspired to study, and at the age of 21, he studied under Shinozaki Kotake in Osaka, then in 1810 at Shoheizaka Academy (昌平坂学問所) in Edo. Recognized at an early age for his intelligence, he was recalled to Obi Domain in 1826 to teach at the han school alongside his father, and to marry Kawazoe Sayo. The following year, his father opened a private academy named Myōkyōdō, and Sokken became an assistant lecturer. He also began to take part in the domain's politics, and by 1834 he was appointed as advisor to the daimyō of Obi.
At the age of 40 in 1837, Sokken moved to Edo and entered the monk's dormitory at the temple of Zōjō-ji, where he was shunned by conservatives who were not happy with the feudal reforms that the domain was promoting based on Sokken's advice. In 1838, he opened a private school called Sankeijuku in Edo (三計塾). In 1862, he was invited by the Tokugawa shogunate to become a Confucian official at the Shoheizaka Academy with a stipend of 200 koku. During the confusion caused by the Perry Expedition and the threat posed by the kurofune Sokken's advice was sought by Mito Nariaki, although Mito Nariaki died before he could implement any of Sokken's proposals. During the Boshin War, he relocated to what is now Kawaguchi, Saitama. In 1868, following the collapse of the shogunate, he returned to his status as a retainer of Obi Domain, and opened a school with the Obi Domain's Edo mansion. Despite increasing infirmities due to age, he continued to teach and to write until his death in 1876. His grave at the tempe of Yogen-ji in Sendaigi in Bunkyō, Tokyo is a designed historical site of Tokyo..
He taught a total of 2000 pupils, including Tani Tateki, Munemitsu Mutsu, Shinagawa Yajiro, Matsumura Kaiseki, Akashi Motojiro, Ishimoto Shinroku and many others.[1]
Yasui Sokke's birthplace is located in Miyazaki City, Kiyotakecho Kano Ko 3376-1, and was designated a National Historic Site in 1979[2] Across from the former residence is the Kiyotake History Museum, which exhibits materials related to Sokken.