- 1 cube, 2 cubes, 3 cubes, 4 cubes, 5 cubes, 6 … A mountain of cubes. Where is the boundary between an N-th number and an indeterminate set?
- Why is it cool to play chess?
- Are there any books about existentialism for people who don't know anything about philosophy?
- Why do we need detailed descriptions of paintings: don't we see everything with our own eyes?
- What are "butterflies in the stomach" and why do we feel them?