Definition.com
Thankfulness is something we should have for the good things that we have and, also, for the bad things we don't have.
Definition.com
Thankfulness is the natural impulse to express gratitude (which is the inward feeling of kindness received). Thanksgiving is the following of that impulse.
Definition.com
Thankfulness is the beginning of gratitude, while gratitude is the completion of thankfulness. Thankfulness may consist merely of words. Gratitude is shown in acts.
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