Armstrong went to college at Purdue University. While he was in college, he left to serve in the U.S. Navy. He flew planes during the Korean War. Then he came back to college and finished the degree he had started. He later earned a master's degree too.
Answer:
Success means to produce high quality work before the deadline.
Success means to achieve the goal or accomplish the mission.
Hope this helps :)
It shows the doer of the action.It comes before verb and indicates this action or work is done by it/him/her etc.Ex.Susan switched off the lights. Who switched off the lights? The answer is Susan (subject of the sentence)