What's the best advice an elder has given you?

(CNN)In this fast moving world, some of the most profound guidance comes from those who have lived through it the longest. To commemorate the International Day of Older Persons on October 1, we would like to know: What's the one piece of advice an elder has given you that you'll always remember?

Whether it's life advice or a memorable conversation, we'd like to hear your story.
Share a photo of your role model, or a photo of the two of you together, and send us your story. Or let us know on Twitter, using the hashtag #AdviceFromElders. The best ones could be featured on CNN.com. Upload your stories by hitting the button below.