《宋史·列传·卷九十六》
过去太祖舍开儿子而策立太宗，这是天下最大公无私的做法。
昔太祖舍其子而立太宗，天下之大公也。
In the past Taizu set aside his son and made Taizong the crown prince, which was the most just and selfless thing in the world.
<s>[INST] Kindly elucidate the central themes in this passage in English: 昔太祖舍其子而立太宗，天下之大公也。 [/INST] In the past Taizu set aside his son and made Taizong the crown prince, which was the most just and selfless thing in the world.</s>
Kindly elucidate the central themes in this passage in English: 昔太祖舍其子而立太宗，天下之大公也。
user
In the past Taizu set aside his son and made Taizong the crown prince, which was the most just and selfless thing in the world.
assistant