挑战让我们成长；用勇气和决心去迎接它们。
Challenges are what make us grow; embrace them with courage and determination.
You see things; and you say, 'Why?' But I dream things that never were; and I say, 'Why not?'
The lightning that precedes the thunder is a common image of the warnings that come before calamity.
Mathematics is not just about numbers, equations, computations, or algorithms: it is about understanding.
The power of imagination is infinite, and it is your link to the divine.
I want to be remembered as someone who never gave up.