《资治通鉴·周纪·周纪四》
赵王想不给他，又畏惧秦国的强大；给他，又怕被秦王欺骗。
赵王欲勿与，畏秦强，欲与之，恐见欺。
The Zhao king did not want to give it to him, but he was afraid of Qin’s strength. If he handed it over to Qin, he was afraid that the Qin king would deceive him.