Carpe Diem is often used for emphasis after saying something that urges someone to make the most of the day and what they are doing. It is a useful piece of advice that reminds people to slow down and seize the day - http://mer-cury.com/quotes/14-carpe-diem-quotes-to-help-you-seize-the-day/
Inspirational quote about self-worth: Your value doesn't decrease based on someone's inability to see your self-worth. That is so true...don't let anyone put you down. Find someone who will uplift you.