It means that you will probably not look so great as you get older, but if you have a habit of being a good person, you will continue to be just as good no matter how old you are.
beauty of goodness
It is so associated and there is nothing we can do about it. From the attraction of a modest girl to the admiration for the saintly soul, we see beauty when we see goodness.
Heian society equated beauty with goodness.
Truth, Goodness and Beauty
A bellibone is a woman who excels both in beauty and goodness.
standards of african beauty and goodness
A bonsai represents tranquility and peace. A bonsai can also mean beauty, truth, or goodness. The individual person will determine which meaning represents their tattoo.
"Ireoluwa" is a Yoruba name from Nigeria meaning "goodness of God" or "blessings of God." It is a combination of the words "ire" meaning good or blessings, and "oluwa" meaning God.
"Goodness" is a euphemism for "God" - it's not an idiom, but a euphemism.
appear
The idiom 'thank goodness' means thankfully, luckily or great.