#TED talk–Grit: The power of passion and perseverance

stratospheric

very high or great

The project had proved a stratospheric success.

decimal

a number expressed using a system of counting based on the number ten

Three fifths expressed as a decimal is 0.6.

drop out

to not do something that you were going to do, or to stop doing something before you have completely finished

He dropped out of the race after two laps.

perseverance

continued effort and determination

Through hard work and perseverance, he worked his way up to the top.  

rookie

a person who is new to an organization or an activity

These rookie cops don't know anything yet.

What do you think is the key to success?

I think is the grit and effort.