What flows but never moves, can be deep but has no bottom, and can be wide but is not a sea?
Category: Brain · Difficulty: medium
Hint: Think about something that changes but remains constant.
Answer
A stream of ideas
Explanation
The riddle refers to the concept of time, which flows and changes but is not a physical entity.
This is a medium brain riddle — a moderate challenge for most people. The answer is A stream of ideas.
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