Our Karma
Your Karma is the only thing which will accompany you after death.
Radhanath Swami on Devotion to Srimati Radharani
Devotion to Shrimati Radharani is the topmost expression of devotional service.
Real Success
If you please the lord that is "Success" even though you are not materially successful. However if you do not please the lord – that is "failure" even though you are materially successful.
Potency of Surrender
When you surrender that's where you get your strength from.