Both speakers are Jaahil liars and fabricators.
"Know thyself, know God" is a Christian saying, nothing Quranic about it.
"MAN 'ARAFA NAFSUHU ....." is tied to an old Sufi, not to Hazrat Ali.
"Sufism is an alien plant in the soil of Islam."
- Allama Iqbal
Ghamidi Saheb has nicely explained the fraud of Tasawwuf in detail.
You may see my book THE CRIMINALS OF ISLAM at www.ourbeacon.com Library.