The power of passion and perseverance

1. grit(n.): courage and determination despite difficulty
=> It takes true grit to stand up to a bully.

2. stamina(n.): the physical and/or mental strength to do something that might be difficult and will take a long time
=> The triathlon is a great test of stamina.

3. inversely(adv.): in such a way that one amount gets bigger as another gets smaller
=> One study found that the risk of a stroke is inversely related to eating nuts.

4. perseverance(n.): continued effort and determination
=> Through hard work and perseverance, he worked his way up to the top.

5. perspective(n.): a particular way of considering something
=> Because of its geographical position, Germany's perspective on the situation in Russia is very different from Washington's.

Introduce to the talk
Grit is passion and perseverance for very long-term goals and is the key that make you successful.
Grit is living life like it's a marathon, not a sprint.