Patience

The ability to stay calm while enduring frustration, adversity, or suffering in hopes of future fulfillment.

Reference:
Schiffhorst, G. J. (1984). Patience and the education of Adam in "Paradise Lost". South Atlantic Review, 49(4), 55-63. https://doi.org/10.2307/3199588

Schnitker, S. A., & Westbrook, J. T. (2014). Do good things come to those who wait? Patience interventions to improve well‐being. The Wiley Blackwell Handbook of Positive Psychological Interventions, 155-167. https://doi.org/10.1002/9781118315927.ch8