Knowing my grandfather's made me realize how fortunate I am.
Explanation:
It is something which you can do beyond your expectations it means to cross the boundary, it means to challenge yourself, it also means to go beyond your limitations
I would explain with an example: if you want to learn Japanese in 3 months and you do it in 1.5 month then you have challenge yourself and gone beyond your expectation and you have defeated your limitation .
Thank u!
Yes it is because goals give you something to live up to.
I believe he is drawing a parallel between a tone of pure joy and the most depressing despair.
All of the stated options are correct about the usage of quotation marks, except for C, indicating measurements in inches.