In the metaphor "Time is a thief," what is the implied comparison?

Question

Time is a criminal who steals possessions

Time has the power to take away moments and experiences.

Time is like a clock, ticking away steadily.

Time is a magician who makes things disappear.

Answer 1

The implied comparison in the metaphor "Time is a thief" is that time has the power to take away moments and experiences, similar to how a thief steals possessions.