你必须愿意努力工作,并专注于你的目标。
You have to be willing to work hard and stay focused on your goals.
What is the use of running when we are not on the right road?
To feel much for others and little for ourselves; to restrain our selfishness and exercise our benevolent affections, constitute the perfection of human nature.
The joy of chemistry is in seeing the invisible become visible.