1. On language: 2. On Africa: 3.
On nails: 4. On order of operations: 5. On pregnancy: 6.
On true beauty: 7. On the Sun: 8. On $5,000: 9.
On weapons of war: 10. On germs: 11. On Georgia: 12.
On society: 13. On being born: 14. On the miracle of birth: 15.
On the 15 15s: 16. On Earth: 17. On ducks: 18.
On dogs: 19. On trinities: 20. On Alaska: 21.
On apps: 22. On math: 23. On water: 24.
On Mount Everest: 25. On Scotland: 26. On credit cards: 27.
On joy: 28. On the population: 29. On birthdays: 30.
On steak: 31. On biology: 32. On tangents: 33.
On noodles: 34. On microwaves: 35. On chocolate: 36.
On passwords: 37. On chicken: 38. On the future: 39.
On sports: 40. On distance:.