I leave no trace, yet I can be found everywhere. What am I?

Category: Brain · Difficulty: hard

Hint: Consider something intangible that can be shared.

Answer

A thought

Explanation

Thoughts are everywhere in our minds but leave no physical trace.

This is a hard brain riddle — a tricky one that takes a little thought. The answer is A thought.

More Brain riddles

All Brain riddles · Riddles with answers · Home