When speaking hurriedly, your body gets tired, your mind gets stressed, your voice gets stressed, your throat gets sore, and your words become unclear and hard to understand.
Tatra, bhikkhave, ataramānassa bhāsato kāyopi na kilamati, cittampi na upahaññati, saropi na upahaññati, kaṇṭhopi na āturīyati, visaṭṭhampi hoti viññeyyaṁ ataramānassa bhāsitaṁ.
When not speaking hurriedly, your body doesn’t get tired, your mind doesn’t get stressed, your voice doesn’t get stressed, your throat doesn’t get sore, and your words are clear and easy to understand.