What is the evidence that bowing (ruku') is a pillar of the prayer?
Machine translationRead the Arabic original
The questioner : Now, what is the evidence that bowing (ruku') is a pillar of the prayer?
The Shaykh : The request of the Messenger (peace and blessings be upon him).
The questioner : For the benefit of the prayer.
The Shaykh : Hardship.
The questioner : If you are standing, then you bow.
The Shaykh : He said to him: Then bow until...
The questioner : Be calm, wonderful.
The Shaykh : Well done, correct, is this right, everyone? Now.
The Shaykh : The request of the Messenger (peace and blessings be upon him).
The questioner : For the benefit of the prayer.
The Shaykh : Hardship.
The questioner : If you are standing, then you bow.
The Shaykh : He said to him: Then bow until...
The questioner : Be calm, wonderful.
The Shaykh : Well done, correct, is this right, everyone? Now.
Source
قناة «فضيلة الشيخ محمد بن صالح العثيمين»، 1911ما هو الدليل على أن الركوع ركن في الصلاة📔 الشرح الممتع على زاد المستقنع - ابن عثيمين — youtube.com
The Arabic text is a machine transcription of the audio recording.