“半亩方塘一鉴开,天光云影共徘徊。问渠那得清如许,为有源头活水来。”南宋乾道二年(1166),也就是朱熹来长沙的前一年,他写下了这首著名的绝句《观书有感》,以自咏思想的飞跃。这一年,朱熹与张栻等人讨论“敬”的存养工夫,他的思想由程颢“主静”之说逐渐 “Half a square pond a Kam open, a total of wandering clouds of light .Asquired that well, for the active living water to.” “Southern Song Dynasty Road for two years (1166), that is, Zhu Xi came to Changsha the year before, he Wrote down the first famous quatrains ”feel the book“ to leap in self-charisma thinking. This year, Zhu Xi and Zhang Huan and others discussed the maintenance of ”respect“, and his ideas gradually came to be known as ”Cheng Jing“ and ”Jing Jing"