The sentence in which the underlined infinitive phrase functions as a subject is the last one - to quickly move large groups of people is the purpose of public transportation.
<em>To quickly move </em>is the infinitive phrase, and it is a subject.
The word is pronounced as
AHK SEL ER AY TED
I need to read the passage for me to be able to help you
It means that James Franco enjoys doing his job. He doesn’t get stressed or annoyed by his job like he would if he was doing something else. Since he is happy and content with his job, he doesn’t feel the need to take a vacation to get away from his job.
You can summarize that if you want. Basically, the man likes his job lol. ;)