《明史·列传·卷八十》
所以他爱好读书、穷理，到老时更加专注。
故好学穷理，老而弥笃。
So he loved to read, ask questions, and focus on it even more when he was old.
<s>[INST] Identify the key themes in this Classical Chinese text and explain them in English: 故好学穷理，老而弥笃。 [/INST] So he loved to read, ask questions, and focus on it even more when he was old.</s>
Identify the key themes in this Classical Chinese text and explain them in English: 故好学穷理，老而弥笃。
user
So he loved to read, ask questions, and focus on it even more when he was old.
assistant