Shaykh Dr. Yasir Qadhi discusses the following points in this lecture:
The translation and explanation of the most common duas recited during Taraweeh and Witr prayers is explained clearly.
Sahaba performed Qunut inside of Witr Salah.
Muslim scholars have put together duas from Quran, hadith and their own understanding.
Ibn Umar RA said, "The Messenger of Allah ﷺ rarely left a gathering making this supplication: “O Allah, give us a share of fear of You that will prevent us from disobeying You, of obedience to You that will help us to reach Paradise, and of certainty that will enable us to withstand the calamities of this world; cause us to enjoy our hearing, sight and strength so long as we are alive, until we die; avenge us against those who wrong us; support us against those who wrong us; do not make our calamity in our religious commitment; do not make this world our main concern and all that we know about; do not send against us those who will show no mercy to us.”
Aameen!