# Teach timeless lessons
If you want to teach others, focus on timeless lessons. Explain concepts, principles and ideas that age well.
Some information is only useful for a short duration and is thus much less interesting in the long run. On the contrary, first principles and stable concepts remain valuable over long periods of time and have a lot more intrinsic value.
## Related
- [[Focus on memorizing timeless information]]
- [[Evolution of the value of information]]