Theory:

Determination and Persistence will lead to definite success. It was Mr. Fogg's patience and cool nature that made him solve all the issues he had encountered on the way. Besides, his calm nature and determination are the important qualities that ought to be adopted by people to achieve success in a rightful way. He chose to fix things in the right way. Whenever he faced hindrance on his way, he did not get tensed up but plan to get things fixed.
 
Take for instance, the incidence of buying an elephant. He did not lose his coolnessunlike his attendant Passepartout. Whatever the problem may be, he was consistent in completing things in the allotted time. When he got the information on lack of transport, he didn't get stuck but looked out for an alteration.
 
His patience, persistence, presence of mind, determination, problem-solving skills, and optimistic attitude highlights his character portrayal. The author had portrayed the character of Mr. Fogg in such a way that people would be highly attracted and motivated to learn and adopt the qualities of his character.
 
Meaning of difficult words:
 
S.No
Words
Meaning
1.
Determination
The quality that makes you to do something even it is difficult 
2.
Persistence
Refers to the act of continuing or repeating something
3.
Encounter
To experience a difficulty or danger
4.
Hindrance
A thing that interferes or slow down the progress of something
5.
Optimistic
Showing hope or expecting things to happen in a good way
6.
PortrayTo describe or show somebody or something in a particular way