Logically speaking, we should be in a perpetual state of gratitude. Most people who read this column, even if they aren't fully aware, have a long list of blessings to count (most of the time, anyway).
원문출처 : http://www.cnn.com/2016/11/23/health/thankfulness-wisdom-project/index.html
원문출처 : http://www.cnn.com/2016/11/23/health/thankfulness-wisdom-project/index.html