Perseverance

You see motivational posters with a single word illustrating a character trait underneath a corresponding photo.   The power of nature to grow in an inhospitable environment is always amazing to me.

per·se·ver·ance
ˌpərsəˈvirəns/
noun
 steadfastness in doing something despite difficulty or delay in achieving success.
  1. power of naturePittsburgh Greenway Parking Lot