When I am visible to you, you cannot see me, but when I am invisible, you long to see me. I am plenty with someone patient, but all the more scarce with a hasty one. I am greater than all, but still in the control of those who value my existence. Who am I?
Answer: Time.
This riddle appears in the following downloadable PDF files:
Can you solve one of the most famous logic puzzle ever?
Memory Matching game for kids, adults and seniors.
Connect the matching tiles and pop them all.