Some topics for a prepared speech in English could include:
1. The impact of social media on society
2. Climate change and its consequences
3. The importance of mental health awareness
4. Gender equality in the workplace
5. The benefits of a healthy lifestyle
6. The power of storytelling
7. Artificial intelligence and its implications
8. The significance of cultural diversity
9. The future of education
10. Overcoming challenges through resilience and perseverance
