is "life is walking on thorns and death is thief" an example of a metaphor?

The phrase "life is walking on thorns and death is a thief" contains two metaphors.

1. "Life is walking on thorns" suggests that life is painful and difficult, comparing it to the experience of walking on sharp thorns.
2. "Death is a thief" implies that death takes away life or cherished experiences, comparing death to a thief that steals something valuable.

Both comparisons enhance the meaning of the concepts of life and death by using vivid imagery, which is characteristic of metaphors.