Prophet Muhammad peace be upon him said: To spend one morning or evening in the cause of Allah is better than the world and whatever is in the world. (Bukhari) Allah (swt) Says: "Invite to the Way of your Lord (i.e. Islam) with wisdom (i.e. with the Divine Revelation and the Qur'an) and fair preaching, and argue with them in a way that is better. Truly, your Lord knows best who has gone astray from His Path, and He is the Best Aware of those who are guided." Quran 16:125] Allah also says '''Who is better in speech than one who calls to Allah, works righteousness, and says: I am of those who bow in submission?" (Quran 41:33) "Let there arise out of you a group of people inviting to all that is good, enjoining al-ma roof i.e. Islamic Monotheism and all that Islam orders one to do] and forbidding al-Munkar polytheism and disbelief and all that Islam has forbidden]. And it is they who are successful. Al-Qur'aan, Surah#3 Aal Imraan, Ayat #104 "Therefore listen not to the Unbelievers, but strive against them with the utmost strenuousness, with the (Qur'an)". 25.52 Quran Prophet Muhammad (PBUH) said: "If Allah guides a person through you, it is better for you than all that is on the earth." (Bukhari No. 2783 & Muslim No. 2406).Convey (my teachings) to the people even if it were a single sentence" (Sahih Bukhari, Vol.4, Hadith 667) "Verily, those who conceal the clear proofs, evidences and the guidance, which We have sent down, after We have made it clear for the people in the Book, they are the ones cursed by Allah and cursed by the cursers."(Quran, al-Baqarah: 159) The Prophet (PBUH) has said: "Whoever guides another] to a good deed will get a reward similar to the one who performs it." Saheeh Muslim] Prophet Muhammad used the same spirit to spread the word of God to man. During his last sermon, he said to his Companions: "God has sent me for all mankind, so spread my message to all mankind." (Ibn Hisham) In The Last Sermon (Khutbah) of Prophet Muhammad (saw)he commanded Muslims and said "O People, lend me an attentive ear, for I know not whether after this year, I shall ever be amongst you again. Therefore listen to what I am saying to you very carefully and TAKE THESE WORDS TO THOSE WHO COULD NOT BE PRESENT HERE TODAY. Remember, one day you will appear before ALLAH and answer your deeds. So beware, do not stray from the path of righteousness after I am gone. O People, NO PROPHET OR APOSTLE WILL COME AFTER ME AND NO NEW FAITH WILL BE BORN. Reason well, therefore, O People, and understand words which I convey to you. I leave behind me two things, the QURAN and my example, the SUNNAH and if you follow these you will never go astray. All those who listen to me shall pass on my words to others and those to others again; and may the last ones understand my words better than those who listen to me directly. Be my witness, O ALLAH, that I have conveyed your message to your people". Now Im reading the hadith which states "Abstain from innovations, for every kind of innovation is a bid'ah, and every bid'ah is misguidance and all misguidance leads to hell fire." Sunan Abu Dawud, Kitab-us-Sunnah, Book 40 Hadith number 4590]. Allah Almighty stated in the Holy Quran "..Today I have perfected your Din (Religion) for you, and have completed My Blessing upon you, and have chosen for you Islam (as) Din (a complete code of life)..." Quran 5:3] Conclusion: Conveying the message therefore does not require a high level of scholarship, it is in fact a responsibility of each and every Muslim, according to his or her ability.Islam is the complete way of life from Allah for all humanity and we must deliver the message to all of humanity. The idea we should not do dawah to non muslims has no evidence from Quran and sunnah but rather it is a man made idea an innovation a bidah and every bidah is misguidance and every bidah leads to hellfire.Allah knows the best.Sincerely Faisal Fahim Copy&Paste https: //www.youtube.com/watch?v=_Sp