The mother believes that significant effort and personal sacrifices are essential for turning aspirations into reality.
True. The mother explicitly states that 'what differentiates greatness from the ordinary is how much effort and sacrifice people invest to realise their dream.' She also advises to 'count the cost in years of effort, financial investments and sacrifice' before pursuing a passion, highlighting that these elements are essential for achieving one's aspirations.
Explanation
The statement is true. In the letter, the mother emphasizes that achieving greatness requires investing effort and making sacrifices. She distinguishes great individuals from ordinary ones based on their willingness to put in the effort and sacrifice needed to realize their dreams. Furthermore, she advises her daughter to count the cost of effort and sacrifice before committing to a goal.