The most essential in achieving a set goal is perseverance, steadfastness and persistence

To achieve our goals we need perseverance

If you are tired, have a rest, then continue to move towards your goal to show tenacity, perseverance and persistence

Turn your tears into joy, stay focused, be steadfast in the storms for don't last forever.

You need to study all the details of how you can achieve your goal

The absence persistency and tenacity in a person’s character is like that of a man without spine