Answer:
The quote "Have you not learnt, have you not learnt that in the Holy Quran Allah says: if you kill one person it is as if you kill the whole humanity?" contributes to the development of the main ideas in the speech by emphasizing the importance of peace, respect, and tolerance in Islamic teachings.
The speaker is using this quote to challenge those who use violence and terrorism in the name of Islam. By quoting the Quran, the speaker is reminding everyone that Islam teaches compassion and respect for human life. The quote suggests that those who engage in violence and terrorism are going against the fundamental principles of Islam and are, in fact, committing a grave sin.
The quote is also significant because it highlights the universal values of peace and respect for human life that are shared by all major religions. The speaker is using this common ground to encourage people of all faiths to work together towards peace and understanding.
Overall, the quote contributes to the development of the main ideas in the speech by emphasizing the importance of peace and respect for human life in Islamic teachings and by promoting interfaith dialogue and cooperation towards these shared values.