《梁书·列传·卷三十三》
不要等到思虑我时再惠寄，让我白白地请求。
勿等清虑，徒虚其请。
Do not wait until you think of me to write letters of kindness, letting me ask in vain.
<s>[INST] Kindly elucidate the central themes in this passage in English: 勿等清虑，徒虚其请。 [/INST] Do not wait until you think of me to write letters of kindness, letting me ask in vain.</s>
Kindly elucidate the central themes in this passage in English: 勿等清虑，徒虚其请。
user
Do not wait until you think of me to write letters of kindness, letting me ask in vain.
assistant