Memento Mori is a latin phrase from the Stoics, meaning "Remember, you must die."  This isn't meant to strike fear into you, but to empower you to seize the days you have, live fully with gratitude, action and GRIT!
 
For this fantastic low price, you can get several sticker for you, your gear, and your buddies who want to remember to be present and get after this thing called life!