* Mortality: Tuck Everlasting also explores the theme of mortality. The Tucks have been granted eternal life, and they grapple with the challenges and responsibilities that come with this gift. Winnie Foster must also confront the reality of death when she learns that her family will not live forever.
* Love: Love is a central theme in Tuck Everlasting. The Tucks are a loving family, and their love for each other helps them to survive the challenges they face. Winnie Foster also learns the meaning of true love when she meets Jesse Tuck.
* Time: Tuck Everlasting also explores the concept of time. The Tucks have experienced a great deal of time, and they have a unique perspective on life and death. Winnie Foster must also learn to accept the passage of time, and she ultimately comes to terms with the fact that life is short.
* Choice: Tuck Everlasting also raises questions about choice. The Tucks have made the choice to live forever, but they must also live with the consequences of that choice. Winnie Foster must also make a choice about whether or not she wants to take the water of life.
* Dreams: Tuck Everlasting also explores the power of dreams. The Tucks have dreams of a better world, and they believe that they can achieve these dreams if they work together. Winnie Foster also has dreams of her own, and she must decide what she is willing to do to achieve them.