It is good to have strong Motivation because it is a wonderful key which can be used to unlock greatness in life , it makes it possible to achieve great goals and to make your dreams come true.
Motivation can come from via various means , it could come from motivational books that you read , it could come from great men and women who have inspired you with their success stories , it could come from teachings from great motivational speakers , it could come from what you have passion for etc.
Motivation makes it possible for you to develop wonderful plans which can make you achieve true success in life and make you to be able to protect yourself from anything that could discourage you from working hard and smart towards achieving your goals.
A life without motivation is not a good thing because it will hinder the person from having a greater life and it will stop them from achieving their dreams...so you need to always stay motivated in order to be successful.