The challenge is to make the invisible visible.
挑战在于让不可见的东西变得可见。
"Sometimes you have to lie. But to yourself you must always tell the truth."
The man who is fit to handle pig iron is not fit to handle the management of pig iron.
The pursuit of mathematical knowledge is a journey that never ends, filled with endless curiosity and wonder.
我对真实感兴趣，而不是真实的形象。